20. Jae-seok Lee, Kwan-chul Lee, Taeuk Moon, Jae-Min Kwon, Eisung Yoon, Yong-Seon Kim and Y.-c. Ghim
Development and Installation of the KSTAR Lyman alpha diagnositc
2025 American Physical Society Department of Plasma Physics Annual Meeting (APS-DPP)
Nov. 17 - 21, Long Beach, CA, USA
19. Hyeonghun Oh, Dong-Geun Lee, Kwan Chul Lee, Jayhyun Kim and Y.-C. Ghim
Assessment and reduction of noise for the single crystal dispersion interferometer of KSTAR by optimizing the RF system and stabilizing signals from the degraded mirror
2025 Korean Physical Society Fall Meeting (KPS)
Oct. 21 - 25, Gwangju, Korea
18. Alvin Amry Sugianto, Yegeon Lim, Hoiyun Jeong, Bin Ahn and Y.-c. Ghim
Investigation of Ion Movement Patterns and Properties Within a Magnetic X-point System
78th Gaseous Electronics Conference (GEC)
Oct. 13 - 17, Seoul, Korea
17. Hoiyun Jeong, Yegeon Lim, Alvin Amry Sugianto, Bin Ahn, Seungmin Bong, Young-chul Ghim
Flux Divergence Evaluation in Partially Ionized Plasmas Using a Continuity Equation in the Presence of Magnetic X-Point Configurations
78th Gaseous Electronics Conference (GEC)
Oct. 13 - 17, Seoul, Korea
16. Jinwook Kang, Yeasup Lim and Young-chul Ghim
Measurement and modeling of the unintended capacitive coupling in a cylinderical inductively coupled plasma
78th Gaseous Electronics Conference (GEC)
Oct. 13 - 17, Seoul, Korea
15. Alvin Amry Sugianto, Y. Lim, H. Jeong, B. Ahn and Y.-c. Ghim
Laser-Induced Fluorescence Diagnosis of General Ion Motion and Velocity Distribution in a Magnetic X-point Configuration
14th International Conference on Open Magnetic Systems for Plasma Confinement (OS)
Sep. 22 - 26, Tsukuba, Japan
14. Seongmin Choi, Dongyoon Shin, Jayhyun Kim, Taeuk Moon, Jae-Min Kwon, Eisung Yoon and Y.-c. Ghim (Best Poster)
Development of a FVC system forward model for shattered pellet injection tracking in KSTAR
9th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP)
Sep. 21 - 26, Fukuoka, Japan
13. Bin Ahn, Hoiyun Jeong, Alvin Amry Sugianto, Willca Villafana, and Y.-c. Ghim (Invited talk)
Cross-field transport of magnetized low temperature plasmas near separatrix : A Particle-In-Cell simulation study
9th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP)
Sep. 21 - 26, Fukuoka, Japan
12. Seungmin Bong, Yegeon Lim, Eunnam Bang, Junghoo Hwang, Changmin Shin, Heungsu Kim, Jungyo Bak, Hyungho Lee and Y.-c. Ghim (Invited talk)
Newly designed Langmuir probe system at the tungsten lower divertors in KSTAR
9th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP)
Sep. 21 - 26, Fukuoka, Japan
11. Jinwook Kang and Y.-c. Ghim (Elsevier Student and PhD Poster Award)
Calculation of two-dimensional electromagnetic fields in a Cylindrical Inductively Coupled Plasma
9th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP)
Sep. 21 - 26, Fukuoka, Japan
10. Woongil Ji, Bin Ahn, Jaewook Kim, and Y.-c. Ghim
Electrostatic PIC simulation of low temperature plasma in cusp-shaped magnetic field for deuterium ion source
9th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP)
Sep. 21 - 26, Fukuoka, Japan
9. Seongmin Choi, YeongHwan Choi, Seungmin Bong, Kyoung-Jae Chung, and Y.-c. Ghim (Second Best Poster)
Correcting birefringence distortion in optical fiber current sensors using 3D signal analysis method
21st International Symposium on Laser-Aided Plasma Diagnostics (LAPD)
Sep. 1 - 5, Saillon, Switzerland
8. Hoiyun Jeong, Yegeon Lim, Alvin Amry Sugianto, Bin Ahn, Seungmin Bong, Young-chul Ghim
Experimental Investigation on a Particle Flux of Partially Magnetized Low Temperature Plasmas toward Divertor Simulator Plates in the Presence of a Magnetic X-Point
52nd International Conference on Plasma Science (ICOPS)
Jun. 15 - 20, Berlin, Germany
7. Seongmin Choi, YeongHwan Choi, Seungmin Bong, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim (oral)
The temporal evolution of the voltage and current on the load of the SNU X-pinch device with the optics-based diagnostics
52nd International Conference on Plasma Science (ICOPS)
Jun. 15 - 20, Berlin, Germany
6. Seungmin Bong, Yegeon Lim, Eunnam Bang, Junghoo Hwang, Heungsu Kim, Jungyo Bak, Hyongho Lee and Y.-c. Ghim
Implementation and operation of a newly designed single-sweeping KSTAR tungsten divertor Langmuir probe
4th international Fusion and Plasma Conference (iFPC)
Jun. 9 - 13, Daejeon, Korea
5. Seongmin Choi, Y.-c. Ghim
Ellipsoid fitting method for correcting birefringence distortion in optical fiber current sensors
4th international Fusion and Plasma Conference (iFPC)
Jun. 9 - 13, Daejeon, Korea
4. Jae-seok Lee, Kwan-chul Lee, Taeuk Moon, Jae-Min Kwon, Eisung Yoon, and Y.-c. Ghim (oral)
Development of synthetic data algorithm of Lyman alpha diagnostics for KSTAR using V-KSTAR
4th international Fusion and Plasma Conference (iFPC)
Jun. 9 - 13, Daejeon, Korea
3. Jihye Park, Minho Woo, and Y.-c. Ghim
Accelerating Tokamak ECH Simulation Using Neural Network
4th international Fusion and Plasma Conference (iFPC)
Jun. 9 - 13, Daejeon, Korea
2. Jinwook Kang, Young-chul Ghim
Investigation of Electromagnetic Fields in a Cylindrical Inductively Coupled Plasma with a Density Gradient (Best Poster)
4th international Fusion and Plasma Conference (iFPC)
Jun. 9 - 13, Daejeon, Korea
1. Jae-seok Lee, Kwan-chul Lee, Taeuk Moon, Jae-Min Kwon, Eisung Yoon, and Y.-c. Ghim
Development of synthetic data algorithm of Lyman alpha diagnostics for KSTAR using V-KSTAR (Best Poster)
1st Asian School on Advanced Plasma Diagnostics for Magnetic Fusion Experiments (APDS)
Feb. 19 - 21, NIFS, Japan
13. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Hae June Lee, Gyung Jin Choi and Y.-c. Ghim
Investigation of collisionless charged particle motion near the X-point of the two-wire model
8th Asia-Pacific Conference on Plasma Physics
Nov. 3 - 8, Malacca, Malaysia
12. Jin Wook Kang and Young-chul Ghim
Axial profiles of the electron energy distribution function (EEDF) in argon inductively coupled plasmas (ICPs)
77th Annual Gaseous Electronics Conference (GEC)
Sep. 30 - Oct. 4, San Diego, USA
11. Seungmin Bong, Su-San Park, Yong Sung You, Seunggi Ham, Jonghyeon Ryu, Jongmin Lee, YeongHwan Choi, Kyoung-Jae Chung, Y.S. Hwang, and Y.-c. Ghim
Electron density profiles and light refraction in X- pinch plasmas using a Mach-Zehnder interferometer imaging system (Best Poster)
3rd international Fusion and Plasma Conference (iFPC)
Jun. 24 - 28, Seoul, Korea
10. Dong-Geun Lee, Kwan Chul Lee, J.-W. Juhn, Jae-seok Lee, Jayhyun Kim, S. H. Park, Michael Lehnen and Y.-c. Ghim
Analysis of the SPI-Induced Abrupt and Large Density Change Measured by KSTAR Dispersion Interferometer
3rd international Fusion and Plasma Conference (iFPC)
Jun. 24 - 28, Seoul, Korea
9. Jae-seok Lee, Kwan-chul Lee, and Y.-c. Ghim
Conceptual design of Lyman alpha diagnostic for KSTAR
3rd international Fusion and Plasma Conference (iFPC)
Jun. 24 - 28, Seoul, Korea
8. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Jihye Park, and Young-chul Ghim
Particle-In-Cell Simulation of Magnetized Low Temperature Plasmas for Current Flow Analysis around a Magnetic X-point
3rd international Fusion and Plasma Conference (iFPC)
Jun. 24 - 28, Seoul, Korea
7. Hoiyun Jeong, Hyungho Lee , Myungkyu Kim, Junghoo Hwang, Uwe Wenzel and Y.-c. Ghim
Measurement of Neutral Pressure Near KSTAR Tungsten Mono-Block Divertor Region Using Feedforward-controlled Crystal Cathode Pressure Gauges
3rd international Fusion and Plasma Conference (iFPC)
Jun. 24 - 28, Seoul, Korea
6. Hoiyun Jeong, Hyungho Lee, Myungkyu Kim, Junghoo Hwang, Uwe Wenzel and Young-chul Ghim
Neutral Pressure Measurement Near New KSTAR Divertor Region Using Crystal Cathode Pressure Gauges
26th International conference on plasma surface interaction (26th PSI Conference)
May 12 - 17, Marseille, France
5. Seungmin Bong, Yegeon Lim, Hoiyun Jeong, Eunnam Bang, Hyungho Lee, and Y.-c. Ghim
Investigation of the effective ion collecting area associated with the sheath expansion for the newly designed KSTAR tungsten divertor Langmuir probes
26th International conference on plasma surface interaction (26th PSI Conference)
May 12 - 17, Marseille, France
4. Bin Ahn, Hoiyun Jeong, Jihye Park, and Y.-c. Ghim
Analysis of low temperature plasma flow in the presence of the magnetic X-point using the Particle-In-Cell simulation
2024 Korean Physical Society Spring Meeting
Apr. 23 - 26, Daejeon, Korea
3. Jinwook Kang and Young-chul Ghim
Comparison of electron temperature and density with and without a Faraday shield in an argon cylindrical Inductively Coupled Plasma (ICP)
2024 Korean Physical Society Spring Meeting
Apr. 23 - 26, Daejeon, Korea
2. Seongmin Choi, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Muhyeop Cha, Seungmin Bong, Kyoung-Jae Chung Y.S. Hwang and Y.-c Ghim
Simultaneous voltage and current measurement for the X-pinch device using the optics-based measurement systems
25th Topical Conference on High Temperature Plasma Diagnostics (HTPD 2024)
Apr. 21 - 25, Asheville, NC, USA
1. Yong Sung You, Jae-seok Lee, Jongmin Lee, Jung-Hwa Kim, Sungbin Park, Y. S. Hwang and Y.-c. Ghim
Bayesian Analysis for the Collective Thomson Scattering Diagnostics System in a modular X-pinch plasma device
25th Topical Conference on High Temperature Plasma Diagnostics (HTPD 2024)
Apr. 21 - 25, Asheville, NC, USA
24. Hoiyun Jeong, Hyungho Lee, Myungkyu Kim, Uwe Wenzel, and Young-chul Ghim
Development and Test Results of a Modified Crystal Cathode Pressure Gauge for KSTAR
65th Annual Meeting of the APS Division of Plasma Physics
Oct. 30 - Nov. 3, Denver, CO, USA
23. 김영철, 최원호, 성충기, 윤의성, 조종욱, 채길병, 조항진
물리·공학통합을 통한 실증로급 디버터 시스템 기반기술 선도연구: 1-2차년도 연구결과 (invited)
2023 Korean Physical Society Fall Meeting
Oct. 24 - 27, Changwon, Korea
22. Young-chul Ghim and Yegeon Lim
Ion flux reduction factor at the sheath edge as a function of ion-neutral collisions in low temperature Ar or He DC plasmas (keynote)
Global Plasma Forum in Aomori
Oct. 15 - 18, Aomori, Japan
21. Young-chul Ghim and Yegeon Lim
Experimental investigation on how the ion-neutral collisions modify the ion flux at the sheath edge in low temperature plasmas (invited)
76th Annual Gaseous Electronics Conference (GEC)
Oct. 9 - 13, Ann Arbor, Michigan, USA
20. Seongmin Choi, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Measurement of the current evolution on a load of X-pinch system using the Faraday rotation with spun fibers
76th Annual Gaseous Electronics Conference (GEC)
Oct. 9 - 13, Ann Arbor, Michigan, USA
19. Seungmin Bong, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, Jongmin Lee, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Effects of increased acceptance angle for Mach-Zehnder interferometer and Dark-field Schlieren imaging systems using a lens-pair configuration for
high density X-pinch plasmas
76th Annual Gaseous Electronics Conference (GEC)
Oct. 9 - 13, Ann Arbor, Michigan, USA
18. Dong-Geun Lee, Kwan Chul Lee, J.-W. Juhn, Jae-seok Lee, Jayhyun Kim, S. H. Park, Michael Lehnen and Y.-c. Ghim
Operation of the upgraded single crystal dispersion interferometer (SCDI-U) and its measurements in KSTAR during abrupt and large density change (Best Poster)
20th International Symposium on Laser-Aided Plasma Diagnostics (LAPD)
Sep. 10 - 14, Kyoto, Japan
17. Seungmin Bong, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Interferogram analysis of X-pinch plasmas using lens-pair configuration and synthetic dark-field Schlieren image
20th International Symposium on Laser-Aided Plasma Diagnostics (LAPD)
Sep. 10 - 14, Kyoto, Japan
16. Seongmin Choi, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Measurement of the voltage evolution on a load of X-pinch plasma system using the Pockels effect (Best Poster)
20th International Symposium on Laser-Aided Plasma Diagnostics (LAPD)
Sep. 10 - 14, Kyoto, Japan
15. Yong Sung YOU, Jae-seok Lee, Jung-Hwa Kim, Sungbin Park, Jongmin Lee, Seunggi Ham, Y. S. Hwang and Y.-c. Ghim
Bayesian Inference of Multi-parameters in X-pinch Plasma through Coherent Thomson Scattering System
20th International Symposium on Laser-Aided Plasma Diagnostics (LAPD)
Sep. 10 - 14, Kyoto, Japan
14. Yong Sung You, Jae-seok Lee, Jung-Hwa Kim, Sungbin Park, Seunggi Ham, Y. S. Hwang and Y.-c. Ghim
Uncertainty analyses of plasma parameters from synthetic coherent Thomson scattering data for high-energy density X-pinch plasmas using
Bayesian inference scheme
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
13. Yegeon Lim and Young-chul Ghim
Experimental Attempt on Identifying the Existence of Electron Bohm Criterion Using an Edge-Effect Reduced Langmuir Probe
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
12. Seungmin Bong, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, Jongmin Lee, YeongHwan Choi, Kyong-Jae Chung, Y. S. Hwang and Y.-c Ghim
Analysis of interferogram images with a support of dark-field Schlieren images for X-pinch plasmas
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
11. Wonjun Lee, Jaewook Kim, K. D. Lee, J. G. Bak, A. Bierwage and Y.-c. Ghim
Statistical investigation of double-peaked fishbone instabilities in KSTAR
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
10. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Hae June Lee, and Y.-c. Ghim
Migration Transport of Particles near the Magnetic X-point in the Two-wire Model
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
9. Jin Wook Kang, Jong-Sik Kim and Young-chul Ghim
Feasibility study of inferring the plasma density and temperature of inductively coupled plasmas with a VI-probe and a neural network
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
8. Seongmin Choi, Minseok Kim, Y.-c. Ghim
Feasibility Test on correcting magnetic probes drifts using a mathematical property of Maxwell's equations (Best Poster)
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
7. Hoiyun Jeong, Hyungho Lee, Myungkyu Kim, JuHyuk Jang, Uwe Wenzel, and Young-chul Ghim
Feasibility Test of the Feedback Control System for a New Crystal Cathode Pressure Gauge in KSTAR and the Correlation Analysis with ELMs Using
Cepstrum
2nd international Fusion and Plasma Conference (iFPC) & 13th international conference on Open magnetic Systems for plasma confinement (OS)
Aug. 21 - 25, Busan, Korea
6. Yegeon Lim and Young-chul Ghim
Experimental investigation of ion flux reduction at the sheath edge in low temperature plasmas due to ion-neutral collisions (Best Poster)
2023 KAPRA & KPS/DPP conference
Jun. 29 - 30, Seoul, Korea
5. Seongmin Choi, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Optics-based sensors for measurement of voltage and current at the load of X-pinch system
2023 KAPRA & KPS/DPP conference
Jun. 29 - 30, Seoul, Korea
4. Yong Sung You, Jae-seok Lee, Jung-Hwa Kim, Sungbin Park, Seunggi Ham, Y. S. Hwang and Y.-c. Ghim
Development of the synthetic data analysis software of the collective Thomson scattering system for X-pinch plasma
2023 KAPRA & KPS/DPP conference
Jun. 29 - 30, Seoul, Korea
3. 봉승민, 이동근, 함승기, 류종현, 박성빈, 김중화, 이종민, 최영환, 정경재, 황용석, 김영철
슐리렌 및 간섭계 이미징 시스템을 활용한 X-pinch 플라즈마 전자 선적분 밀도 진단
2023 KAPRA & KPS/DPP conference
Jun. 29 - 30, Seoul, Korea
2. KIM Minseok, Joung Semin, Park Sunghyun and Ghim Young Chul
Correction algorithm for signal drifts in KSTAR magnetic probes using Bayesian statistics
2023 Korean Physical Society (KPS) Spring Meeting
Apr. 19 - 21, Daejeon, Korea
1. Jin Wook Kang, Seungmin Bong, Young-chul Ghim
Development of a plasma diagnostic system and analysis of a cylindrical Inductively Coupled Plasma (ICP)
2023 Korean Physical Society (KPS) Spring Meeting
Apr. 19 - 21, Daejeon, Korea
22. Minseok Kim, Semin Joung, Sunghyun Park, Young-chul Ghim
Feasibility studies on software-based approaches to correct magnetic drifts in KSTAR
20th International Congress on Plasma Physics (ICPP)
Nov.27-Dec.02, Gyeongju, Korea
21. Young-chul Ghim, Wonjun Lee, Jaewook Kim, Semin Joung, G.J. Choi, J. Kim, M. Woo, T. Rhee, K.D. Lee, J.G. Bak, and J.S. Kang
General features and non-monotonic spatial structures during KSTAR fishbone activities (invited)
20th International Congress on Plasma Physics (ICPP)
Nov.27-Dec.02, Gyeongju, Korea
20. Dong-geun Lee, K.C. Lee, J.-W. Juhn, Jayhyun Kim, Michael Lehnen, Larry Baylor, Jae-seok Lee , and Young-chul Ghim
Development of an upgraded single crystal dispersion interferometer using AOM while maintaining the common beam paths
20th International Congress on Plasma Physics (ICPP)
Nov.27-Dec.02, Gyeongju, Korea
19. Minseok Kim, Semin Joung, Sunghyun Park, Young-chul Ghim
Software-based approaches including the Bayesian statistics to correct magnetic drifts in tokamaks
Korean Physical Society 70th Anniversary and 2022 Fall Meeting
Oct.18-21, Busan, Korea
18. Dong-geun Lee, K.C. Lee, J.-W. Juhn, Jayhyun Kim, Michael Lehnen, Larry Baylor, Jae-seok Lee , and Young-chul Ghim
개선된 분산 간섭계 시스템인 AOM with overlapped beam lines, single crystal dispersion interferometer (SCDI)의 개발 및 설치
Korean Physical Society 70th Anniversary and 2022 Fall Meeting
Oct.18-21, Busan, Korea
17. Dong-geun Lee, K.C. Lee, J.-W. Juhn, Jayhyun Kim, Michael Lehnen, Larry Baylor, Jae-seok Lee , and Young-chul Ghim
Development and experimental results of a new dispersion interferometer system, Single Crystal Dispersion Interferometer with a single detector
on KSTAR
64th Annual Meeting of the APS Division of Plasma Physics
Oct.17-22, Spokane, WA and Virtual
16. Alvin Amry Sugianto, Yegeon Lim, Y.-c. Ghim
Development and construction of a Laser-Induced Fluorescence (LIF) diagnostics system for a low temperature multidipole plasma device with X-point magnetic configuration, MAXIMUS
75th Annual Gaseous Electronics Conference (GEC)
Oct.3-Oct.7 2022, Sendai, Japan
15. Yegeon Lim, Greg Severn, Chi-Shung Yip, Young-chul Ghim
Benchmark experiments of the power law parametrization of the effective ion collecting area of a planar Langmuir probe in low temperature plasma (invited)
75th Annual Gaseous Electronics Conference (GEC)
Oct.3-Oct.7 2022, Sendai, Japan
14. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Yong Sung You, Jin Wook Kang, Hae June Lee, Young-chul Ghim
Investigation of single-particle motion in the X-point of two-wire model (Best poster)
75th Annual Gaseous Electronics Conference (GEC)
Oct.3-Oct.7 2022, Sendai, Japan
13. Seongmin Choi H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu,, Kyoung-Jae Chung, Y. S. Hwang and Young-chul Ghim
Optics-based measurements of temporal evolution of currents through a load of X-pinch system using the optic fiber and ellipse fitting method
75th Annual Gaseous Electronics Conference (GEC)
Oct.3-Oct.7 2022, Sendai, Japan
12. Seungmin Bong, H. J. Woo, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang, Young-chul Ghim
Two-dimensional images of line integrated electron density for X-pinch plasmas using dark-field Schlieren and interferogram
75th Annual Gaseous Electronics Conference (GEC)
Oct.3-Oct.7 2022, Sendai, Japan
11. Alvin Amry Sugianto, Yegeon Lim, Y.-c. Ghim
Preliminary Results of a Laser-Induced Fluorescence (LIF) Diagnostics System Installed on a Low Temperature Multidipole Plasma Device, MAXIMUS
1st International Fusion and Plasma Conference (iFPC)
Aug.22-26, Haevichi, Jeju, Korea
10. Yong Sung You, Jae-seok Lee, Jung-Hwa Kim, Sungbin Park, Seunggi Ham, Y. S. Hwang, Y.-c. Ghim
Bayesian based sensitivity analyses on coherent Thomson scattering system for X-pinch plasma system
1st International Fusion and Plasma Conference (iFPC)
Aug.22-26, Haevichi, Jeju, Korea
9. Seungmin Bong, H. J. Woo, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang, Young-chul Ghim
Interferogram analysis for high electron density X-pinch plasmas
1st International Fusion and Plasma Conference (iFPC)
Aug.22-26, Haevichi, Jeju, Korea
8. Seongmin Choi, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Optics-based load impedance measurement system for X-pinch plasma system
1st International Fusion and Plasma Conference (iFPC)
Aug.22-26, Haevichi, Jeju, Korea
7. Minseok Kim, Semin Joung, W.J. Lee, B. Kim, Yong-Su Na, W.H.Ko, J.H. Lee, and Y.-c Ghim
Inference of kinetic profiles for KSTAR plasmas using Gaussian process regression (Best poster)
1st International Fusion and Plasma Conference (iFPC)
Aug.22-26, Haevichi, Jeju, Korea
6. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Donggeun Lee, Sungmin Choi, Young-chul Ghim
Analysis of Magnetic Moment Evolution of Charged Particles near X-point magnetic configuration
2022 KAPRA & KPS/DPP Conference
Jun.30-Jul.1 2022, SNU, Seoul, South Korea
5. Yegeon Lim, E. N. Bang, H. Lee, Young-chul Ghim
New design of Langmuir probes for tungsten divertor in KSTAR
25th International Conference on Plasma Surface Interaction in Controlled Fusion Devices
Jun.13-17, Virtual
4. Wonjun Lee, Jaewook Kim, Semin Joung, J. Kim, M. Woo, T.Rhee, K.D Lee, J.G. Bak, and Young-chul Ghim
Detection of fast ion losses at lower divertor during fishbone instability in KSTAR
25th International Conference on Plasma Surface Interaction in Controlled Fusion Devices
Jun.13-17, Virtual
3. Seungmin Bong, H. J. Woo, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang, and Young-chul Ghim
Interferogram analysis based on synthetic dark-field Schlieren images for X-pinch plasmas
The 24th Topical Conference on High-Temperature Plasma Diagnostics (HTPD)
May.15-19, Hyatt Regency Rochester, Rochester, NY, USA
2. Seongmin Choi, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang and Young-chul Ghim
High voltage sensor with fast temporal resolution based on the linear electro-optic effect for the X-pinch plasmas
The 24th Topical Conference on High-Temperature Plasma Diagnostics (HTPD)
May.15-19, Hyatt Regency Rochester, Rochester, NY, USA
Minseok Kim, Semin Joung, W.J. Lee, B. Kim, Yong-Su Na, W.H.Ko, J.H. Lee, and Young-chul Ghim
Kinetic profile reconstruction for KSTAR plasmas using support vector machine regression and Gaussian process regression
The 24th Topical Conference on High-Temperature Plasma Diagnostics (HTPD)
May.15-19, Hyatt Regency Rochester, Rochester, NY, USA
11. Yegeon Lim, Young-chul Ghim
Plasma properties of the low temperature DC plasma in magnetic X-point simulator system, MAXIMUS (oral)
APCTP Workshop: Frontiers in Low-Temperature Plasma Physics: Modeling and Diagnostics
Dec. 9-11 , Jeju, Korea
10. Minseok Kim, Semin Joung, W.H. Ko, J.H. Lee, and Y.-c. Ghim
Predicting plasma pressure profiles with Gaussian process and a neural network in KSTAR based on magnetic signals
2021 American Physical Society Division of Plasma Physics (APS DPP)
Nov. 08-12, Virtual
9. Dong-Geun Lee, Jae-Seok Lee, K.C. Lee, J.-W.Juhn and Y.-c. Ghim
KSTAR Single Crystal Dispersion Interferometer(SCDI)의 3채널 확장 (poster)
2021 Korean Physical Society Fall meeting
Oct. 20-22, Virtual conference
8. Seongmin Choi, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim
Optics-based first measurement of currents on a load of X-pinch system at Seoul National University
The 74th Annual Gaseous Electronics Conference (GEC)
Oct 04-08, Virtual
7. Minseok Kim, Semin Joung, W.H. Ko, J.H. Lee, and Y.-c. Ghim
Inference of spatially continuous kinetic profiles with Gaussian processes and neural networks in KSTAR
2021 KAPRA & KPS/DPP Conference
Jul. 01-02, Virtual
6. Yegeon Lim, Young-chul Ghim
Experimental investigation on the effective ion collection area with a power law dependence for a double-sided planar Langmuir probe in weakly collisional low temperature plasmas
2021 KAPRA & KPS/DPP Conference
Jul. 01-02, Virtual
5. Seongmin Choi H.J. Woo, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang, Young-chul Ghim
X-pinch 진단을 위한 광학 기반 전압/전류 센서
2021 KAPRA & KPS/DPP Conference
Jul. 01-02, Virtual
4. Seungmin Bong, H. J. Woo, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y. S. Hwang, Young-chul Ghim
X-pinch plasma 진단을 위한 슐리렌 및 간섭계 이미징
2021 KAPRA & KPS/DPP Conference
Jul. 01-02, Virtual
3. Minseok Kim, Semin Joung, W.H. Ko, J.H. Lee, and Y.-c. Ghim
Inference of spatially continuous kinetic profiles with Gaussian processes and neural networks in KSTAR
2021 Korean Physical Society (KPS) Spring Meeting
Apr. 21-23, Virtual
2. H.H. Lee, W.J. Lee, K.M. Kim, H. Frerichs, S.T. Oh, Y. In, R.A. Pitts, O. Schmitz, Y.-c. Ghim, H.S. Kim, A. Loarte, G.Y. Park, J.-K. Park and S.H. Hong
Recent progress in understanding of the outer divertor heat flux increase during the RMP-ELM suppressed regimes in KSTAR
24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices
Jan. 25-29, Virtual
Wonjun Lee, H. Frerichs, K. Kim, O. Schmitz, H.H. Lee and Y.-c. Ghim
EMC3-EIRENE simulation of divertor heat flux with n=1 RMP on KSTAR
24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices
Jan. 25-29, Virtual
20. Dong-Geun Lee, Jae-seok Lee, K.C. Lee, J.-W. Juhn and Y.-c. Ghim
Installation of a new dispersion interferometer system, single crystal dispersion interferometer, on KSTAR and its first measurement
23rd Topical Conference on High Temperature Plasma Diagnostics
Dec. 14-17, Virtual
19. Jae-seok Lee, Dong-Geun Lee, K.C. Lee, J.-W. Juhn and Y.-c. Ghim
Development of a forward model for Bayesian analysis of a single crystal dispersion interferometer
23rd Topical Conference on High Temperature Plasma Diagnostics
Dec. 14-17, Virtual
18. Semin Joung, Jaewook Kim and Y.-c. Ghim
Bayesian modelling of magnetic pick-up coils and flux loops using Gaussian processes for real-time control of plasmas
23rd Topical Conference on High Temperature Plasma Diagnostics
Dec. 14-17, Virtual
17. Seongmin Choi, Dong-Geun Lee, H.J. Woo, S.H. Hong, Seunggi Ham, Jong Hyeon Ryu, Kyoung-Jae Chung, Y.S. Hwang and Y.-c. Ghim
Development of a high voltage measurement system for X-pinch using the Pockels electro-optic effect
23rd Topical Conference on High Temperature Plasma Diagnostics
Dec. 14-17, Virtual
16. Seunggi Ham, Jong Hyeon Ryu, Sungbin Park, Kyoung-Jae Chung, Y.-c. Ghim, H.J. Woo and Y.S. Hwang
Design of filtered AXUV diode array for high speed measurement of soft X-ray spectrum from high temperature plasma
23rd Topical Conference on High Temperature Plasma Diagnostics
Dec. 14-17, Virtual
15. Y.-c. Ghim, Jaewook Kim, M.J. Choi, Y.U. Nam, Hogun Jhang, J.G. Bak, S.H. Hahn, C. Sung and W. Choe
Experimental observations on energy flow from low frequency electromagnetic components to broadband turbulence via nonlinear couplings during ELM crashes (invited)
62nd Annual Meeting of American Physical Society Division of Plasma Physics
Nov. 9-13, Virtual
14. Jayhyun Kim, L.R. Baylor, M. Lehnen, N. Eidietis, S.H. Park, J.H. Jang, D. Shiraki, A.Y. Aydemir, K.P. Kim, K.C. Lee, Y.-c. Ghim, G.S. Yun, K.S. Lee, J.W. Juhn, D.G. Lee, M.U. Lee, S. Thatipamula, H.S. Han, M.L. Reinke, J. Herfindal and U. Kruezi
Disruption mitigation using symmetric dual shattered pellet injections in KSTAR (oral)
62nd Annual Meeting of American Physical Society Division of Plasma Physics
Nov. 9-13, Virtual
13. H. Frerichs, J. van Blarcum, O. Schmitz, J.-k. Park, S.M. Yang, Y. Feng, H.H. Lee, Y.-c. Ghim and W. Lee
Boundary modeling integrated with RMP plasma response to optimize ELM suppression in KSTAR (oral)
62nd Annual Meeting of American Physical Society Division of Plasma Physics
Nov. 9-13, Virtual
12. Dong-Geun Lee, Jae-seok Lee, K.C. Lee, J.-w. Juhn and Y.-c. Ghim
토카막 플라즈마 진단에 활용되는 분산간섭계의 광정렬 문제를 개선하는 single crystal dispersion interferometer (SCDI)의 개발 및 설치 (outstanding poster award)
Korean Physical Society Fall Meeting
Nov. 4-6, Virtual
11. Jae-seok Lee, Dong-Geun Lee, K.C. Lee and Y.-c. Ghim
Single Crystal Dispersion Interferometer 데이터의 베이지안 기반 해석을 위한 forward model 개발
Korean Physical Society Fall Meeting
Nov. 4-6, Virtual
10. Seongmin Choi, D. Kyritsis, W. Choe and Y.-c. Ghim
Measuring electric fields between two conducting parallel plates using a linear electro-optic effect applicable to a plasma assisted combustion system
2020 Korean Physics Society Fall Meeting
Nov. 4-6, Virtual
9. Wonho Choe, Y.-c. Ghim, J. Jung and J. Lee
플라즈마 불순물 및 경계 열속 연구센터 (oral )
2020 Korean Physical Society Fall Meeting
Nov. 4-6, Virtual
8. Y.-c. Ghim, Semin Joung, Jaewook Kim, Sehyun Kwak, Donguk Kim, J.G. Bak, S.G. Lee, H.S. Han, H.S. Kim, Geunho Lee, Daeho Kwon and Seanie Lee
From data-based accelerated neural network model to physics-based neural network without human knowledge: focused on plasma equilibrium reconstruction (invited)
4th Asia-Pacific Conference on Plasma Physics
Oct. 26-31, Virtual
7. Yegeon Lim, Bin Ahn, Yong Sung You and Y.-c. Ghim
Investigation on electron drift motions of low temperature DC plasmas in magnetic X-point simulator system, MAXIMUS (oral)
73rd Annual Gaseous Electronics Conference
Oct. 5-9, Virtual
6. Seongmin Choi, A. Sugianto, Dong-Geun Lee, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y.S. Hwang and Y.-c. Ghim
Feasibility study on various optics design for X-pinch high voltage measurement system using the Pockels electro-optic effect
73rd Annual Gaseous Electronics Conference
Oct. 5-9, Virtual
5. Bin Ahn, Yegeon Lim and Y.-c. Ghim
Inference of degree of dissociation for weakly collisional DC hydrogen plasmas with collisional-radiative models
73rd Annual Gaseous Electronics Conference
Oct. 5-9, Virtual
4. Seunggi Ham, Jong Hyeon Ryu, Sungbin Park, Kyoung-Jae Chung, Y.-c. Ghim, H.J. Woo and Y.S. Hwang
Design of filtered AXUV diode array for X-pinch soft X-ray spectrum reconstruction in the energy range of 1-10 keV
59th Summer Annual Conference of the Korean Vacuum Society
Aug. 19-21, Virtual
3. Jinwoo Kim, Y.-c. Ghim, D. Kyritsis and Wonho Choe
가시광영역 방출광 측정에 기반한 화염의 회전온도 및 진동온도 측정
59th Summer Annual Conference of the Korean Vacuum Society
Aug. 19-21, Virtual
2. Jayhyun Kim, L.R. Baylor, M. Lehnen, N. Eidietis, S.H. Park, J.H. Jang, D. Shiraki, A.Y. Aydemir, K.P. Kim, K.C. Lee, Y.-c. Ghim, G.S. Yun, K.S. Lee, J.W. Juhn, D.G. Lee, M.U. Lee, S. Thatipamula, H.S. Han, M.L. Reinke, J. Herfindal and U. Kruezi
Disruption mitigation by multiple injection of shattered pellets in KSTAR
IAEA Technical Meeting on plasma disruption and their mitigation
July 20-23, Virtual
Jinwoo Kim, Y.-c. Ghim, D. Kyritsis and Wonho Choe
방출광 측정에 기반한 메탄, 산소, 질소 혼합개스 화염의 회전온도 및 진동온도 측정 및 고찰
Korean Physical Society Spring Meeting
July 13-15, Virtual
14. Yegeon Lim, Bin Ahn, Yong-sung You and Y.-c. Ghim
Investigation on plasma properties of magnetic X-point simulator system, MAXIMUS, with perturbing magnetic fields (oral)
72nd Annual Gaseous Electronics Conference
Oct. 29-Nov. 1, College Station, TX, USA
13. Dong-geun Lee, Jae-seok Lee, K.C. Lee and Y.-c. Ghim
Bench test and optical system design of dispersion interferometer of KSTAR
Korean Physics Society Fall Conference
Oct. 23-25, Gwangju, Korea
12. Bin Ahn, Yegeon Lim and Y.-c. Ghim
Spectroscopic diagnostics of low-pressure hydrogen plasmas with coupled collisional-radiative models
Korean Physics Society Fall Conference
Oct. 23-25, Gwangju, Korea
11. Seongmin Choi, Alvin Sugianto, Dong-geun Lee, H.J. Woo, S.H. Hong and Y.-c. Ghim
Polar-coordinate-based data analysis scheme for high-voltage measurement system using the Pockels electro- optic effect
19th International Symposium on Laser-Aided Plasma Diagnostics
Sep. 22-26, Whitefish, MT, USA
10. Jae-seok Lee, Dong-Geun Lee, K.C. Lee and Y.-c. Ghim
Development and experimental verification of the forward model for Bayesian-based analysis of a dispersion interferometer
19th International Symposium on Laser-Aided Plasma Diagnostics
Sep. 22-26, Whitefish, MT, USA
9. Wonjun Lee, Jaewook Kim, Y.U. Nam and Y.-c. Ghim
Estimation of the Kubo number at the edge and SOL region of KSTAR
46th EPS Conference on Plasma Physics
July 8-12, Milan, Italy
8. Semin Joung, Jaewook Kim, Sehyun Kwak, Y.M. Jeon, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee, D.H. Kwon, G.H. Lee and Y.-c. Ghim
Data-driven Grad-Shafranov solver with KSTAR EFIT data based on neural network and Bayesian inference (oral)
3rd IAEA Technical Meeting on Fusion Data Processing, Validation and Analysis
May 27 - 31, Vienna, Austria
7. J. Kim, S.H. Park, J.H. Jang, L.R. Baylor, K.P. Kim, J.H. Kim, G.S. Yun, K.C. Lee, Y.-c. Ghim, B. Peterson, J.W. Juhn, M.H. Kim, M.J. Choi, J.G. Bak, J.W. Lee, N.W. Eidietis, M. Lehnen, B.H. Park, W.C. Kim, KSTAR Team and ITER disruption task force
Status and plan of shattered pellet injection in KSTAR for studying ITER disruption mitigation (oral)
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
6. J. Lee, Y.M. Jeon, Y. In, G.Y. Park, M. Kim, W.H. Ko, G.S. Yun, Y.U. Nam, Y.-c. Ghim, J.W. Kim, H.K. Park and KSTAR Team
Comparative study of the RMP-driven ELM-crash suppression and natural ELM-crash free H-mode plasmas on KSTAR (oral)
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
5. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim
Analysis of intensity and nonlinear interaction of turbulence during ELM crashes measured by beam emission spectroscopy in KSTAR (oral)
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
4. B. Ahn, Y. Lim and Y.-c. Ghim
Development of collisional-radiative models for analysis of low temperature and low density helium plasma
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
3. W.-j. Lee, J.W. Kim and Y.-c. Ghim
Estimating Kubo number based on density fluctuations during L-mode, and ELMy and ELM-suppressed H-modes in KSTAR
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
2. Semin Joung, H.S. Kim and Y.-c. Ghim
Real-time compensation of KSTAR magnetic signal drifts based onBayesian inference
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
Y. Lim, B. Ahn, Y.S. You, D.H. Kwon, W.J. Lee, B.S. Kim and Y.-c. Ghim
Low temperature DC plasma characteristics in a tokamak-like poloidal B-field configuration including magnetic X-point
KSTAR Conference 2019
Feb. 20 - 22, COEX, Seoul, S. Korea
25. H.H. Lee, K.M. Kim, H.S. Kim, H. Frerichs, O. Schmitz, Wonjun Lee, Y.-c. Ghim, Y. In, Y.M. Jeon, A. Loarte, R.A. Pitts, B. Cao, G.Y. Park, J.-k. Park, J.W. Ahn and S.H. Hong
Divertor target heat and particle flux dynamics during long term RMP-ELM suppressed regimes in KSTAR
2nd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP 2018)
Nov. 12 - 17, Kanazawa, Japan
24. J.E. Lee, G.S. Yun, W. Lee, M.H. Kim, M. Choi, H.K. Park, Jaewook Kim, Y.-c. Ghim, J.G. Bak and W.H. Ko
Nonmodal solitary perturbation prior to the collapse of edge pedestal in high-confinement tokamak plasmas
2nd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP 2018)
Nov. 12 - 17, Kanazawa, Japan
23. J.H. Lee, Y.M. Jeon, J. Kim, Y. In, W.H. Ko, G.S. Yun, W. Lee, Y.U. Nam, Y.-c. Ghim, Jaewook Kim, M. Kim, H.K. Park
Nature of edge harmonic oscillation and its dynamics
60th Annual Meeting of American Physical Society Division of Plasma Physics
Nov. 5 - 9, Portland, OR, USA
22. Yegeon Lim, Bin Ahn, Daeho Kwon, Wonjun Lee, Seyoun Moon, Bo-sung Kim and Y.-c. Ghim
Basic characteristics of low temperature DC magnetized plasmas in a weakly collisional magnetic X-point configuration
71st Annual Gaseous Electronics Conference
Nov. 5 - 9, Portland, OR, USA
21. Y.-c. Ghim, Yegeon Lim, Bin Ahn, Daeho Kwon, Wonjun Lee, Jaewook Kim, Yong-sung You, Seyeon Moon and Deog Gyun Cho
First measurement of neutral density and its correlation with plasma characteristics in the MAXIMUS chamber (invited)
Korean Physics Society Fall Conference
Oct. 24 - 26, Changwon, South Korea
20. Y.-c. Ghim, Jaewook Kim, Sehyun Kwak and Semin Joung
Bayesian based data analysis to infer plasma parameters and to generate synthetic data in tokamaks (invited in Pioneer Symposium)
Korean Physics Society Fall Conference
Oct. 24 - 26, Changwon, South Korea
19. Jaewook Kim, Wonjun Lee, H. Jhang, S.S. Kim, H.H. Kaang and Y.-c. Ghim
Correlation analysis based magnetic Kubo number estimation during pedestal collapse in BOUT++ simulation
27th IAEA Fusion Energy Conference
Oct. 22 - 27, Ahmedabad, India
18. Y.-c. Ghim, Tae-suk Oh, Jaewook Kim and Yong-un Nam
Characteristics of ELMs in KSTAR with and without RMPs measured by BES (invited)
9th International Symposium of Advanced Energy Science
Sept. 3 - 5, Kyoto, Japan
17. Y.-c. Ghim, Yegeon Lim, Bin Ahn, Daeho Kwon, Wonjun Lee and Jaewook Kim
Basic plasma properties in a newly constructed cylindrical multidipole chamber, MAXIMUS, with variable magnetic X-point configurations (invited)
12th International Conference on Open Magnetic Systems for Plasma Confinement
Aug. 27 - 31, Tsukuba, Japan
16. Y.-c. Ghim
Critically balanced turbulence in fusion-grade plasmas (invited)
8th East-Asia school and workshop on laboratory, space, and astrophysical plasmas
July 30 - Aug. 3, Daejeon, S. Korea
15. Bin Ahn, Yegeon Lim and Y.-c. Ghim
Bayesian based inference on electron temperature and density by using a collisional-radiative model in low density helium plasmas
45th International Conference on Plasma Science
June 24 - 28, Denver, CO, USA
14. Yegeon Lim, Bin Ahn, Daeho Kwon, Wonjun Lee and Y.-c. Ghim
Experimental study on behaviors of low temperature plasmas in the magnetic X-point simulator system, MAXIMUS
45th International Conference on Plasma Science
June 24 - 28, Denver, CO, USA
13. H.H. Lee, K.M. Kim, H.S. Kim, H. Frerichs, O. Schmitz, Wonjun Lee, Y.-c. Ghim, Y. In, Y.M. Jeon, A. Loarte, R. A. Pitts, B. Cao, G.Y. Park, J.-k. Park, J.W. Ahn and S.H. Hong
Understanding of the outer divertor heat flux splitting during RMP-ELM suppressed regimes in KSTAR
2018 International Conference on Plasma Surface Interaction
June 18 - 22, Princeton, NJ, USA
12. Bin Ahn, Yegeon Lim and Y.-c. Ghim
Electron temperature and density measurements in a low density Helium plasma using a collisional-radiative model
Korean Physics Society Spring Conference
Apr. 25 - 27, Daejeon, South Korea
11. Jung-jin Lee, Kyeo-reh Park, Sehyun Kwak and Y.-c. Ghim
Design study of Thomson scattering system for measuring electron density and temperature in a combustion chamber
Korean Physics Society Spring Conference
Apr. 25 - 27, Daejeon, South Korea
10. Sehyun Kwak, J. Svensson, O. Ford, A. Pavone, U. Hofel, M. Krychowiak, L. Vano, S. Bozhenkov, P. Kornejew, Y.-c. Ghim and W7-X Team
Weldenstein 7-X Bayesian Zeff inference in the Minerva framework
22nd Topical Conference on High Temperature Plasma Diagnostics
Apr. 16 - 19, San Diego, CA, USA
9. Jaewook Kim, Y.U. Nam, M. Lampert, S. Zoletnik and Y.-c. Ghim
Relative intensity calibration of KSTAR beam emission spectroscopy by using visible CMOS camera
22nd Topical Conference on High Temperature Plasma Diagnostics
Apr. 16 - 19, San Diego, CA, USA
8. Semin Joung, Jaewook Kim, Sehyun Kwak, Kyeo-reh Park, Y.M. Jeon, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee and Y.-c. Ghim
Bayesian based missing input imputation scheme for neural network reconstructing magnetic equilibria in real time
22nd Topical Conference on High Temperature Plasma Diagnostics
Apr. 16 - 19, San Diego, CA, USA
7. Sehyun Kwak, J. Svensson, S. Bozhenkov, H. Trimino Mora, U. Hofel, A. Pavone, M. Krychowiak, A. Langenberg, Y.-c. Ghim and W7-X Team
Bayesian modelling inference of multiple diagnostic systems at Wendelstein 7-X in the Minerva framework (oral)
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
6. Daeho Kwon, Semin Joung, Yegeon Lim and Y.-c. Ghim
Analysis of Langmuir probe data using artificial neural network
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
5. Jaewook Kim, Wonjun Lee, H. Jhang, S.S. Kim, H.H. Kaang and Y.-c. Ghim
Estimation of magnetic Kubo number during pedestal collapse in BOUT++ simulation
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
4. Bin Ahn, Yegeon Lim and Y.-c. Ghim
Preliminary results of electron temperature measurements in low density Helium plasma using corona model and collisional-radiative model
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
3. Tae-suk Oh, Jaewook Kim, Y.U. Nam and Y.-c. Ghim
Investigation of density fluctuations during ELM suppressions in KSTAR with 2D beam emissions spectroscopy system
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
2. Yegeon Lim, Bin Ahn, Daeho Kwon, Wonjun Lee, Bo-sung Kim and Y.-c. Ghim
Construction of magnetic X-point simulator system, MAXIMUS, and investigation of its plasma properties
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
Semin Joung, Sehyun Kwak and Y.-c. Ghim
Bayesian magnetic signal inference from KSTAR for neural network accelerated equilibria reconstruction model
KSTAR Conference 2018
Feb. 21 - 23, Muju, South Korea
25. Yegeon Lim, Daeho Kwon, Won-jun Lee, Bo-sung Kim and Y.-c. Ghim
Construction of a multi-dipole cylindrical chamber, MAXIMUS, with magnetic X-point configuration and investigation of its plasma properties
70th Annual Gaseous Electronics Conference
Nov. 6 - 10, 2017, Pittsburgh, PA, USA
24. D. Lee, J. Park, K. Cho and Y.-c. Ghim
Rejection of stray light in Thomson scattering measurements using polarization switched multiple roundtrip scheme for the incident optical pulse (oral)
Korean Physical Society Fall Meeting
Oct. 25 - 27, 2017, Gyeonju, Korea
23. Y.-c. Ghim, K. Cho, Keon-hee Kim, Kyeo-reh Park, Sehyun Kwak, Tae-suk Oh and J.H. Lee
Research on improving techniques of inducing, collecting and utilizing scattered photons for the KSTAR Thomson scattering system (invited)
Korean Physical Society Fall Meeting
Oct. 25 - 27, 2017, Gyeonju, Korea
22. Y.-c. Ghim
Government program for human resource of nuclear fusion in Korea
Korean Physical Society Fall Meeting
Oct. 25 - 27, 2017, Gyeonju, Korea
21. Y.-c. Ghim and S. Moon
Research on diagnostics and behavior of neutrals and electrons in X-point region for the control of plasma core
Korean Physical Society Fall Meeting
Oct. 25 - 27, 2017, Gyeonju, Korea
20. Sehyun Kwak, J. Svensson, S. Bozhenkov, H.T. Mora, U. Hofel, A. Pavone, M. Krychowizk, A. Langenberg, P. Kornejew, Y.-c. Ghim and W7-X Team
Bayesian modeling of multiple diagnostics at Wendelstein 7-X using Minerva framework (oral)
59th Annual Meeting of the APS DPP
Oct. 22 - 27, 2017, Milwaukee, WI, USA
19. Semin Joung, Sehyun Kwak, Y.M. Jeon, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee and Y.-c. Ghim
Neural network based real-time reconstruction of KSTAR magnetic equilibria with Bayesian-based preprocessing
59th Annual Meeting of the APS DPP
Oct. 22 - 27, 2017, Milwaukee, WI, USA
18. Jaewook Kim, Won-jun Lee, H. Jhang, H.H. Kaang and Y.-c. Ghim
Estimation of Kubo number and correlation length of fluctuating magnetic fields in BOUT++ edge pedestal collapse simulation
59th Annual Meeting of the APS DPP
Oct. 22 - 27, 2017, Milwaukee, WI, USA
17. Keon-hee Kim, Kyeo-reh Park, Tae-suk Oh, J.H. Lee and Y.-c. Ghim
Estimation of reliable range of electron temperature measurements with sets of given optical bandpass filters for KSTAR Thomson scattering system based on synthetic Thomson data
18th International Symposium on Laser-Aided Plasma Diagnostics
Sep. 24 - 28, 2017, Prague, Czech Republic
16. Kyeo-reh Park, Keon-hee Kim, Sehyun Kwak, J. Svensson, J.H. Lee and Y.-c. Ghim
Feasibility study of direct spectra measurements of Thomson scattered signals for fusion-grade plasmas
18th International Symposium on Laser-Aided Plasma Diagnostics
Sep. 24 - 28, 2017, Prague, Czech Republic
15. M.S. Bawa'aneh, A.M. Al-Khateeb and Y.-c. Ghim
Microwave absorption in warm, Maxwellian Plasma
Advanced Electromagnetics Symposium
July 26 - 28, 2017, Incheon, Korea
14. Jaewook Kim, Wonjun Lee, H. Jhang, H.H. Kaang and Y.-c. Ghim
Correlation between Kubo number and stochastic magnetic fields in BOUT++ simulation (oral)
7th Asia Pacific Transport Working Group International Conference
June 5 - 8, 2017, Nagoya, Japan
13. Semin Joung, Sehyun Kwak, Y.M. Jeon, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee and Y.-c. Ghim
Neural network magnetic equilibrium reconstruction with Bayesian based preprocessor in KSTAR (oral)
11th IAEA Technical Meeting on Control, Data Acquisition, and Remote Participation for Fusion Research
May 8 - 12, 2017, Greifswald, Germany
12. Semin Joung, Sehyun Kwak, Kyereh Park and Y.-c. Ghim
Neural network magnetic equilibrium reconstruction with Bayesian based preprocessor in KSTAR
Korean Physical Society Spring Meeting
Apr. 19 - 21, 2017, Daejeon, Korea
11. Tae-suk Oh, Jaewook Kim, Y.U. Nam and Y.-c. Ghim
Investigation of the suppression of density fluctuation after L-H transition in KSTAR based on the beam emission spectroscopy system
Korean Physical Society Spring Meeting
Apr. 19 - 21, 2017, Daejeon, Korea
10. Jaewook Kim, Wonjun Lee, H. Jhang, H.H. Kaang and Y.-c. Ghim
Estimation of the Kubo number of stochastic magnetic fields in BOUT++ edge pedestal collapse simulations (outstanding poster awarded)
Korean Physical Society Spring Meeting
Apr. 19 - 21, 2017, Daejeon, Korea
9. Daeho Kwon, Jaewook Kim, J.G. Bak, H.S. Kim and Y.-c. Ghim
Estimation of radial profile of SOL electron temperature and density using Bayesian inference on KSTAR FRLPA data
Korean Physical Society Spring Meeting
Apr. 19 - 21, 2017, Daejeon, Korea
8. Sehyun Kwak, J. Svensson, S. Bozhenkov, J. Flanagan, M. Kempenaars, Y.-c. Ghim and JET Contributors
Bayesian inference of electron temperature and density profiles from JET high resolution Thomson scattering and interferometer data
Deutsche Physikalische Gesellschaft Spring Meeting
Mar. 13-17, 2017, Bremen, Germany
7. Y.-c. Ghim, S. Kwak, K.R. Park, K.H. Kim, J. Svensson, S. Bozhenkov and J.H. Lee
Electron density and temperature inference using Bayesian analysis on KSTAR Thomson scattering system with fast sampling digitizers (oral)
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
6. Taeseok Oh, Jaewook Kim, Y.U. Nam and Y.-c. Ghim
Investigation of L-H transition in KSTAR utilizing the beam emission spectroscopy system (oral)
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
5. Semin Joung, Sehyun Kwak, K.R. Park and Y.-c. Ghim
Neural network for real-time plasma equilibrium reconstruction and imputation of missing magnetic signals based on Bayesian analysis in KSTAR
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
4. Jaewook Kim, C.A. Michael, Y.U. Nam, M. Lampert and Y.-c. Ghim
Reliability of two points correlation length measurement and parallel correlation length measurement at H-1NF Heliac
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
3. Keon Hee Kim, K.R. Park, T.-s. Oh, J.H. Lee and Y.-c. Ghim
Reliable range of electron temperature measurements with a set of given optical band-pass filters for Thomson scattering diagnostic system
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
2. Daeho Kwon, Jaewook Kim, J.G. Bak, H.S. Kim and Y.-c. Ghim
Bayesian inference on KSTAR FRLPA data to obtain radial profile of edge electron density and temperature
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
A. A. Sugianto and Y.-c. Ghim
Feasibility study of using Bayesian theorem for electron density reconstruction with line-integrated density measurements
KSTAR Conference 2017
Jan. 18-20, 2017, Muju, South Korea
16. H.H. Lee, J. Seol, W.H. Ko, L. Terzolo, A.Y. Aydemir, Y. In, Y.-c. Ghim, S.G. Lee and the KSTAR Team
Enhanced understanding of momentum transport barrier observed in KSTAR
58th Annual Meeting of the APS DPP
Oct. 31-Nov. 4, 2016, San Jose, CA, USA
15. Jaewook Kim, C.A. Michael, Y.U. Nam, M. Lampert and Y.-c. Ghim
Accuracy of two points correlation length measurement and its applications in H-1NF heliac
58th Annual Meeting of the APS DPP
Oct. 31-Nov. 4, 2016, San Jose, CA, USA
14. Sehyun Kwak, J. Svensson, S. Bozhenkov, J. Flanagan, M. Kempenaars, Y.-c. Ghim and JET Contributors
Bayesian modelling of JET high resolution Thomson scattering system using the Minerva framework (oral)
58th Annual Meeting of the APS DPP
Oct. 31-Nov. 4, 2016, San Jose, CA, USA
13. Jaewook Kim, C.A. Michael, Y.U. Nam, M. Lampert and Y.-c. Ghim
Statistical consideration of correlation length measurement using two points
2016 EU-US Transport Task Force Meeting
Sept. 5-8, 2016, Leysin, Switzerland
12. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim
Accuracy study for two points correlation length measurement of ion scale turbulence
6th Asia Pacific Transport Working Group International Conference (attended)
June 21-25, Seoul, Korea
11. Chung-sun Jeong, Sehyun Kwak, J. Svensson, M. Brix and Y.-c. Ghim
Sensitivity test of atomic data utilized in Li-BES data analysis using Bayesian inference
2016 Korean Nuclear Society Conference (attended)
May.11-13, Jeju, Korea
10. Semin Joung, Sehyun Kwak and Y.-c. Ghim
Identifying real-time plasma equilibrium from artificial neural network in KSTAR
2016 Korean Physics Society Spring Conference (attended)
Apr. 22-Apr. 24, Daejeon, Korea
9. Tae-suk Oh, K.H. Kim, K.R. Park, J.H. Lee, S.H. Lee and Y.-c. Ghim
Density calibration using Rayleigh scattering for 2015 KSTAR Thomson system (the Best poster awarded)
2016 Korean Physics Society Spring Conference (attended)
Apr. 22-Apr. 24, Daejeon, Korea
8. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim
Statistical studies for reliability of two points correlation length measurement
2016 Korean Physics Society Spring Conference (attended)
Apr. 22-Apr. 24, Daejeon, Korea
7. Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors
Bayesian inference for edge electron density profiles from the JET Li-BES data (oral)
Deutsche Physikalische Gesellschaft Spring Meeting (attended)
Feb. 29-Mar. 4, Hannover, Germany
6. Semin Joung, Sehyun Kwak and Y.-c. Ghim
Plasma equilibrium reconstruction for real-time control using artificial neural network in KSTAR
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
5. Tae-suk Oh, K.H. Kim, J.H. Lee, S.H. Lee and Y.-c. Ghim
Analysis of Rayleigh calibration signal for 2015 KSTAR Thomson scattering system
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
4. Wha-Keun Ahn, Seunghyun Yoon, Jun Gyu Park, Y.-c. Ghim and Kyuman Cho
A novel multi-pass scheme for subtracting stray light noise in Thomson scattering signal by using 45° Faraday rotator (oral)
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
3. Wha-Keun Ahn, Seunghyun Yoon, Jun Gyu Park, Y.-c. Ghim and Kyuman Cho
A closed path roundtrip scheme for rejecting stray light noise in Thomson scattering signal
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
2. Jaewook Kim, M.F.J. Fox, A.R. Field, Y.U. Nam and Y.-c. Ghim
How to generate proper synthetic data to investigate characteristics of fluctuating quantities
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors
Bayesian modelling of spectrum data: A way to remove beam modulations (invited)
KSTAR Conference 2016 (attended)
Feb. 24-26, Daejeon, South Korea
20. M.J. Choi, J. Lee, G.S. Yup, Y.-c. Ghim, J.M. Kwon, W. Lee, H.K. Park, B.H. Park, Y.S. Park, S.A. Sabbagh, W.X. Wang, N.C. Luhrmann Jr.
2D/3D ECE imaging data for validation of turbulence simulations
57th Annual Meeting of the APS Division of Plasma Physics (attended)
Nov. 16 - 20, Savannah, Georgia, U.S.A.
19. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim
Statistical studies on two-point correlation length measurement for ion-scale turbulence
57th Annual Meeting of the APS Division of Plasma Physics (attended)
Nov. 16 - 20, Savannah, Georgia, U.S.A.
18. Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors
Bayesian modelling of the JET Li-BES system
57th Annual Meeting of the APS Division of Plasma Physics (attended)
Nov. 16 - 20, Savannah, Georgia, U.S.A.
17. Tae-suk Oh, K.H. Kim, J.H. Lee, S.H. Lee, R. Scannell, A.R. Field, K. Cho, M.S. Bawa'aneh and Y.-c. Ghim
Quantifying noise source in the KSTAR 2014 Thomson Scattering system from the measured variation on electron temperature
The 17th Laser-Aided Plasma Diagnostics Symposium (attended)
Sep. 27 - Oct. 1, Sapporo, Hokkaido, Japan
16. Keon Hee Kim, T.-s. Oh, J.H. Lee, S.H. Lee, A.R. Field, M.S. Bawa'aneh and Y.-c. Ghim
Verification of reliability of the look-up table method using the forward model of Thomson scattering system in KSTAR
The 17th Laser-Aided Plasma Diagnostics Symposium (attended)
Sep. 27 - Oct. 1, Sapporo, Hokkaido, Japan
15. Jaewook Kim, Y.U. Nam, M. Lampert, S. Zoletnik and Y.-c. Ghim
Reliability of two-point measurements of correlation length for ion-scale turbulence and its application (oral)
2015 International workshop on the Interrelationship between Plasma Experiments in the Laboratory and in Space (IPELS) (attended)
Aug. 23-28, Pitlochry, UK
14. H.Y. Lee et al.
Experiment on ELM mitigation control with SMBI and RMP in KSTAR
42nd European Physical Society Conference on Plasma Physics (attended)
June. 22-26, Lisbon, Portugal
13. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim
Accuracy study for two-point measurement of density fluctuation correlation length and its practical use
42nd European Physical Society Conference on Plasma Physics (attended)
June. 22-26, Lisbon, Portugal
12. Sehyun Kwak, J. Svensson, M. Brix, M.S. Bawa'aneh, Y.-c. Ghim and JET Contributors
Lithium BES data analysis via Bayesian modelling at JET
42nd European Physical Society Conference on Plasma Physics (attended)
June. 22-26, Lisbon, Portugal
11. J. Seol, K.C. Sharing, H.H. Lee, A.Y. Aydemir, S.G. Lee, B.H. Park, J. Kim, Y.U. Nam and Y.-c. Ghim
Type III ELMs in the KSTAR tokamak
42nd European Physical Society Conference on Plasma Physics (attended)
June. 22-26, Lisbon, Portugal
10. Jaewook Kim, Y.U. Nam, M. Lampert, S. Zoletnik and Y.-c. Ghim
Reliability of two-point measurement of correlation length and its application
5th Asia Pacific Transport Working Group International Conference (attended)
June. 9-12, Dalian, China
9. T.-s. Oh, K.H. Kim, J.H. Lee, S. Oh, S. Jang, M. S. Bawa'aneh, R. Scannell and Y.-c. Ghim
Measurement of electron temperature and density in KSTAR using Thomson scattering modified lookup table and fitting method
Korean Physical Society Spring Meeting 2015 (attended)
Apr. 22-24, Daejeon, South Korea
8. Keon Hee Kim, T.-s. Oh, J.H. Lee, S. Oh, S. Jang, M. S. Bawa'aneh and Y.-c. Ghim
Measurement of electron temperature using Thomson scattering and forward modeling of Thomson scattering system in KSTAR
Korean Physical Society Spring Meeting 2015 (attended)
Apr. 22-24, Daejeon, South Korea
7. Sehyun Kwak, J. Svensson, M. Brix, M. S. Bawa'aneh, Y.-c. Ghim and JET Contributors
Bayesian modeling of Lithium BES data at JET (oral)
Korean Physical Society Spring Meeting 2015 (attended)
Apr. 22-24, Daejeon, South Korea
6. Jaewook Kim and Y.-c. Ghim
Statistical consideration for two-point measurement of turbulence correlation length and its practical application
Korean Physical Society Spring Meeting 2015 (attended)
Apr. 22-24, Daejeon, South Korea
5. Sehyun Kwak, Jakob Svensson, Mathias Brix, M.S. Bawa'aneh, Y.-c. Ghim and JET contributors
Reconstruction of electron density profile using Bayesian inference on Li-BES data (oral)
KSTAR Conference 2015 (attended)
Feb. 25-27, Daejeon, South Korea
4. Jaewook Kim and Y.-c. Ghim
Generating synthetic 3D density fluctuation data and its statistical consideration for two-point measurement of parallel correlation length (oral)
KSTAR Conference 2015 (attended)
Feb. 25-27, Daejeon, South Korea
3. Keon Hee Kim, J.H. Lee, S. Oh, S. Jang, M.S. Bawa'aneh and Y.-c. Ghim
Measurement of electron temperature with frequency filter technique and forward model of Thomson scattering system in KSTAR
KSTAR Conference 2015 (attended)
Feb. 25-27, Daejeon, South Korea
2. T.-s. Oh, K.H. Kim, J.H. Lee, S. Oh, S. Jang, M.S. Bawa'aneh and Y.-c. Ghim
Measuring the electron temperature in KSTAR using modified Thomson scattering lookup table method
KSTAR Conference 2015 (attended)
Feb. 25-27, Daejeon, South Korea
H.Y. Lee et al.
Experiment of Edge Localised Mode mitigation by supersonic molecular beam injection in KSTAR (oral)
KSTAR Conference 2015 (attended)
Feb. 25-27, Daejeon, South Korea
11. G. Colyer, A. A. Schekochihin, C. Roach, M. Barnes, Y.-c. Ghim, B. Dorland and F. Parra
The effect of electron-ion collisionality on ETG turbulence
56th Annual Meeting of the APS Division of Plasma Physics (attended)
Oct. 27-31, New Orleans, Louisiana, U.S.A.
10. Jaewook Kim and Y.-c. Ghim
Generating synthetic 3D density fluctuation data to verify two-point measurement of parallel correlation length
56th Annual Meeting of the APS Division of Plasma Physics (attended)
Oct. 27-31, New Orleans, Louisiana, U.S.A.
9. Sehyun Kwak, Y.M. Jeon and Y.-c. Ghim
Real-time EFIT data reconstruction based on neural network in KSTAR
56th Annual Meeting of the APS Division of Plasma Physics (attended)
Oct. 27-31, New Orleans, Louisiana, U.S.A.
8. J. Hillesheim et al.
Influence of flow shear on the structure of ion-scale turbulence in MAST
25th IAEA Fusion Energy Conference (not attended)
Oct. 13-18, Saint Petersburg, Russia
7. Y. M. Jeon et al.
Successful ELM suppresions in a wide range of q95 using low n RMPs in KSTAR and its understanding as a secondary effect of RMP
25th IAEA Fusion Energy Conference (not attended)
Oct. 13-18, Saint Petersburg, Russia
6. J. Seol, Y. U. Nam, H. Lee, A. Aydemir, J. Kim, Y.-c. Ghim, S. G. Lee, B. H Park and J. G. Kwak
Study of type III ELMs in the KSTAR tokamak
25th IAEA Fusion Energy Conference (not attended)
Oct. 13-18, Saint Petersburg, Russia
5. W. Lee et al.
Measurement of apparent poloidal rotation of ion-scale turbulence with the KSTAR microwave imaging reflectometer
25th IAEA Fusion Energy Conference (not attended)
Oct. 13-18, Saint Petersburg, Russia
4. M. F. J. Fox, D. Dunai, A. R. Field, Y.-c. Ghim, A. A. Schekochihin and the MAST Team
The dependence of the 2D spatial structure of ion-scale turbulence on equilibrium ExB flow shear in MAST
41st EPS Conference on Plasma Physics (not attended)
June 23-27, Berlin, Germany
3. E. G. Highcock, A. A. Schekochihin, Y.-c. Ghim, A. R. Field, R. Fern, M. N. A. Beurskens, the MAST Team and JET-EFDA Contributors
Comparison of results from MAST with the zero turbulence manifold
41st EPS Conference on Plasma Physics (not attended)
June 23-27, Berlin, Germany
2. Sehyun Kwak, Y. M. Jeon and Y.-c. Ghim
Equilibrium reconstruction based on the neural network algorithm in real time
KSTAR conference 2014 (attended)
Feb. 24-26, Gangwon-do, Korea
Jaewook Kim, Y. U. Nam, W. Lee, J. Leem and Y.-c. Ghim
Generating 3D density fluctuation data for BES-MIR correlation studies in KSTAR
KSTAR conference 2014 (attended)
Feb. 24-26, Gangwon-do, Korea
4. Y.-c. Ghim, A. A. Schekochihin, A. R. Field, I. G. Abel, M. Barnes, G. Colyer, S. C. Cowley, F. I. Parra, D. Dunai, S. Zoletnik and the MAST team
Dependence of spatio-temporal structures of ion-scale turbulence on equilibrium quantities on MAST (invited)
9th Asia Plasma and Fusion Association Conference (attended)
Nov. 5-8, Gyeongju, Korea
3. Y.-c. Ghim, M. F. J. Fox, A. R. Field, A. A. Schekochihin, E. G. Highcock, C. Michael and the MAST team
Statistical Study of Ion Temperature Gradient scale with Equilibrium Parameters on MAST
11th Meeting of ITPA Transport & Confinement topical group (attended)
Oct. 7-9, Kyushu University, Kyushu, Japan
2. M. F. J. Fox, D. Dunai, A. R. Field, Y.-c. Ghim, E. G. Highcock, A. A. Schekochihin, L. F. Van Wyk, S. Zoletnik and the MAST team
The effect of shear on turbulent structures in MAST
17th International Spherical Torus Workshop (not attended)
Sept. 16-19, University of York, York, U.K.
Y.-c. Ghim, A. R. Field, A. A. Schekochihin, E. G. Highcock, C. Michael and the MAST Team
Local dependence of ion temperature gradient on magnetic configuration, rotational shear and turbulent heat flux (plenary)
KSTAR conference 2013 (attended)
Feb. 26-27, Buyeo, Chungnam, South Korea
9. E. G. Highcock, Y.-c. Ghim, R. Fern, A. A. Schekochihin, A. R. Field, M. A. Barnes, F. I. Parra, M. N. A. Beurskens, S. C. Cowley and C. M. Roach
Comparison of zero-turbulence manifold with results from MAST and JET tokamaks
54th Annual Meeting of American Physical Society Division of Plasma Physics (not attended)
Oct. 29 – Nov. 2., 2012, Rhode Island, USA
8. A. R. Field, Y.-c. Ghim, A. A. Schekochihin, D. Dunai, C. Michael, F. I. Parra and S. Zoletnik
Characterisation of ion-scale turbulence in MAST-Experimental signature of critically balanced turbulence
9th ITPA Transport and Confinement Topical Group Meeting (not attended)
Oct. 15 – 17, 2012, San Diego, USA
7. A. R. Field, G. Colyer, D. Dunai, Y.-c. Ghim, P. Hill, B. McMillan, C. Michael, C. M. Roach, S. Saarelma, A. A. Schekochihin and S. Zoletnik
Characterisation of ion-scale turbulence in MAST
24th IAEA Fusion Energy Conference (not attended)
Oct. 8 – 13, 2012, San Diego, USA
6. P. Hill, S. Saarelma, A. R. Field, C. M. Roach and Y.-c. Ghim
Comparisons of simulations of global electrostatic turbulence with experiment
IoP Computational Group Annual Conference (not attended)
Sep. 5 – 7, 2012, Brighton, U.K.
5. A. R. Field, Y.-c. Ghim, A. A. Schekochihin, D. Dunai, C. Michael, F. I. Parra and S. Zoletnik
Characterisation of ion-scale turbulence in MAST
17th Joint EU-US TTF Meeting and 4th EFDA TTG Meeting (not attended)
Sep. 3 – 6, 2012, Padua, Italy
4. E. G. Highcock, Y.-c. Ghim, A. A. Schekochihin, A. R. Field, M. A. Barnes, F. I. Parra, C. Michael, C. M. Roach, W. Dorland and S. C. Cowley
Turbulence suppression, stiffness reduction and other effects of rotational shear
17th Joint EU-US TTF Meeting and 4th EFDA TTG Meeting (not attended)
Sep. 3 – 6, 2012, Padua, Italy
3. A. A. Schekochihin E. G. Highcock, M. A. Barnes, F. I. Parra, Y.-c. Ghim, A. R. Field and S. C. Cowley
Subcritical turbulence, critical balances and transport scalings
17th Joint EU-US TTF Meeting and 4th EFDA TTG Meeting (not attended)
Sep. 3 – 6, 2012, Padua, Italy
2. Y.-c. Ghim, A. R. Field, A. A. Schekochihin, D. Dunai, S. Zoletnik and the MAST Team
Characterization of ion-scale turbulence in MAST: what ‘temporal information’ of turbulence can tell us
39th EPS Plasma Physics Conference (attended)
July 2 –6, 2012, Stockholm, Sweden
Y.-c. Ghim, A. R. Field, D. Dunai, S. Zoletnik, L. Bardóczi, A. A. Schekochihin, and the MAST Team
Advection of turbulent density fluctuations in the lab frame measured by the 2D BES system on MAST
39th IoP Annual Plasma Physics Conference (attended)
Apr. 2 –5, 2012, Oxford, U.K
2. Y.-c. Ghim, A. R. Field, S. Zoletnik and T. Horbury
Investigation of measurement techniques for velocities and parallel correlations on 2D BES turbulence data
38th IoP Annual Plasma Physics Conference (attended)
Apr. 4 –7, 2011, North Berwick, U.K
A. R. Field, P. Hill, Y.-c. Ghim, D. Dunai, B. McMillan, C. M. Roach and S. Saarelma
Comparison of BES density turbulence measurements with synthetic data from global, non-linear gyro-kinetic simulations
38th IoP Annual Plasma Physics Conference (attended)
Apr. 4 –7, 2011, North Berwick, U.K
3. A. R. Field, C. Michael, R. J. Akers, J. Candy, G. Colyer, W. Guttenfelder, Y-c Ghim(Kim), C. M. Roach, S. Saarelma, and the MAST Team
Rotation and Transport in MAST Spherical Tokamak
23rd IAEA Fusion Energy Conference (not attended)
Oct. 10 –16, 2010, Daejeon, S. Korea
2. Young-chul Ghim(Kim), A. Field, S. Zoletnik and D. Dunai
Generation of Synthetic Data for 2D BES Turbulence Diagnostic on MAST
Workshop on Gyro-kinetics in Laboratory and Astrophysical Plasmas (attended)
July 19 – 23, 2010 in Cambridge, U.K
Young-chul Ghim(Kim), A. Field, S. Zoletnik and D. Dunai
Generation of Synthetic Data for 2D BES Turbulence Diagnostic on MAST
18th High-Temperature Plasma Diagnostics (attended)
May 16 – 20, 2010 in Wildwood, NJ, USA
Noah Hershkowitz, Young-chul Ghim(Kim), and Chi-shung Yip
Do Double Layers Separate an Electronegative Core and an Electropositive Halo in Weakly Collisional Negative Ion Plasmas?
36th Annual International Conference on Plasma Science (not attended)
May 31 – June 5, 2009 in San Diego, CA, USA
2. Young-chul Ghim(Kim) and Noah Hershkowitz
Measurements of Bohm speeds of positive ions with LIF in Ar/O2 electronegative plasmas and comparison to ion acoustic wave phase velocities
50th Annual Meeting of American Physical Society Division of Plasma Physics (attended)
Nov. 17-21, 2008 in Dallas, TX, USA
Young-chul Ghim(Kim) and Noah Hershkowitz
Comparison of measured metastable ion density with laser induced fluorescence, to electron number density determined with a Langmuir probe, in Ar plasmas as a function of pressure
61st Annual Gaseous Electronics Conference (attended)
Oct. 13-17, 2008 in Dallas, TX, USA
Alan Hoskinson, Noah Hershkowitz and Young-chul Ghim(Kim)
Double DBD plasma actuator simulation and experiments in quiescent air
34th Annual International Conference on Plasma Science (attended)
Jun. 17-22, 2007 in Albuquerque, NM, USA