73. Andreas Bierwage, Philipp Lauber, Noriyoshi Nakajima, Kouji Shinohara, Guillaume Brochard, Young-chul Ghim, Wonjun Lee, Akinobu Matsuyama, Shuhei Sumida, Hao Yang, Masatoshi Yagi Construction and analysis of guiding center distributions for tokamak plasmas with ambient radial electric field Comput. Phys. Commun. 317, 109823 (2025)
72. Jaewook Kim, Jayhyun Kim, Young-chul Ghim and Jun-Gyo Bak Sensor fusion and magnetic drift estimation in magnetic measurement using Kalman filter for long-duration plasma operations Nucl. Fusion (2025)
71. Jaehong Park, Guentae Doh, Dongho Lee, Youngho Kim, Changmin Shin, Su-Jin Shin, Young-Chul Ghim, Sanghoo Park and Wonho Choe Predicting performance of hall effect ion source using machine learning Adv. Intell. Syst. (2024)
70. Minseok Kim, Won-Ha Ko, Sehyun Kwak, Semin Joung, Wonjun Lee, Boseong Kim, Donguk Kim, Jongha Lee, Choongki Sung, Yong-Su Na, Young-chul Ghim Kinetic profile inference with outlier detection using Support vector machine regression and Gaussian process regression Nucl. Fusion 64, 106052 (2024)
69. Sehyun Kwak, U. Höfel, M. Krychowiak, A. Langenberg, J. Svensson, H. Trimino-Mora, Y.-c. Ghim and W7-X Team Bayesian modelling of multiple plasma diagnostics at Wendelstein 7-X Nucl. Fusion 64, 106022 (2024)
68. Seongmin Choi, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, YeongHwan Choi, Muhyeop Cha, Seungmin Bong, Kyoung-Jae Chung, Y. S. Hwang, Y.-c. Ghim Simultaneous measurements of temporal evolutions of the voltage and the current on the load of the Seoul National University X-pinch device using the optics-based systems Rev. Sci. Instrum 95, 073531 (2024)
67. Yegeon Lim, Seungmin Bong, Eunnam Bang, Hyungho Lee, Y.-c. Ghim Development of a fixed Langmuir probe system for newly installed tungsten monoblock lower divertors in KSTAR Fusion Eng. Des. 205, 114552 (2024)
66. Jinsu Kim, Jeongwon Lee, Jaemin Seo, Young-chul Ghim, Yeongsun Lee and Yong-Su Na Enhancing disruption prediction through Bayesian neural network in KSTAR Plasma Phys. Control. Fusion 66, 075001 (2024)
65. Won-ha Ko et al. Overview of the KSTAR experiments toward fusion reactor Nucl. Fusion 64, 112010 (2024)
64. Bin Ahn, Yegeon Lim, Hoiyun Jeong, Hae June Lee, Gyung Jin Choi and Y.-C. Ghim Charged particle collisionless transport near the the X-point of the two-wire model J. Plasma Phys. 90, 975900204 (2024)
63. Yegeon Lim, Young-chul Ghim Experimental quantification of ion flux reduction at the sheath edge due to ion-neutral collisions in low temperature plasmas Appl. Phys. Lett. 124, 014101 (2024) *(Editor's Pick)
62. Jongmin Lee, Jung-Hwa Kim, Sungbin Park, Yong Sung You, Jae-seok Lee, Y.-c. Ghim and Y. S. Hwang Development of a Collective Thomson Scattering diagnostic system on SNU X-pinch device JINST 18, C12004 (2023)
61. 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 JINST 18, C11019 (2023)
60. Seungmin Bong, Dong-Geun Lee, Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Jung-Hwa Kim, Jongmin Lee, YeongHwan Choi, Kyoung-Jae Chung, Y. S. Hwang and Y.-c. Ghim Interferogram analysis of X-pinch plasmas with a synthetic dark-field Schlieren image JINST 18, C11010 (2023)
59. Dong-Geun Lee, Kwan Chul Lee, June-Woo Juhn, Jae-seok Lee, Jayhyun Kim, SooHwan Park, Michael Lehnen, Yong-Hwa Park, Jae-Hak Jeong, Jaebeom Yim and Y.-C. Ghim Development of the upgraded single crystal dispersion interferometer (SCDI-U) and its first measurements of the line integrated electron densities in KSTAR during shattered pellet injections Nucl. Fusion 64, 016024 (2024)
58. Semin Joung, Y.-C. Ghim, Jaewook Kim, Sehyun Kwak, Daeho Kwon, C. Sung, D. Kim, Hyun-Seok Kim, J. G. Bak and S. W. Yoon GS-DeepNet: mastering tokamak plasma equilibria with deep neural networks and the Grad-Shafranov equation Sci. Rep. 13, 15799 (2023)
57. Jaewook Kim, Jayhyun Kim, Y.-c. Ghim and Juhyeok Jang Gaussian process-based quasi-coherent noise suppression in magnetic confinement devices with supercondeuctors Nucl. Fusion 63, 106017 (2023)
56. Chenyao Jin, Chi-Shung Yip, Young-chul Ghim, Wei Zhang, Di Jiang and Guo Sheng Xu Parametrization of electron sheath expansion for Langmuir probe I-V traces JINST 18, P07009 (2023)
55. Seunggi Ham, Jonghyeon Ryu, Hakmin Lee, Sungbin Park, Y.-c. Ghim, Y.S. Hwang and Kyoung-Jae Chung Estimation of plasma parameters of X-pinch with time-resolved x-ray spectroscopy Matter Radiat. at Extremes 8, 036901 (2023)
54. Wonjun Lee, Jaewook Kim, Semin Joung, G.J. Choi, J. Kim, M. Woo, T. Rhee, K.D. Lee, J.G. Bak, J.S. Kang and Y.-C. Ghim Non-monotonic radial structures of fluctuating temperatures and densities associated with fishbone activities in KSTAR Phs. Plasmas 30, 022502 (2023)
53. Jiheon Song, Semin Joung, Young-chul Ghim, Sang-hee Hahn, Juhyeok Jang and Jungpyo Lee Development of machine learning model for automatic ELM-burst detection without hyperparameter adjustment in KSTAT tokamak Nucl. Eng. Technol. 55, 100 (2023)
52. Sehyun Kwak, J. Svensson, O. Ford, L. Appel, Y.-c. Ghim and JET Contributors Bayesian inference of axisymmetric plasma equilibrium Nucl. Fusion 62, 126069 (2022)
51. E.C. Jung, Y.S. Na, S. Kim, W.I. Jeong, J.-K. Park, T.S. Hahm, Y.-c. Ghim and Y.S. Hwang Observation of MHD-correlated blobs during internal reconnection events in VEST Nucl. Fusion 62, 126029 (2022)
50. Chi-Shung Yip, Chenyao Jin, Wei Zhang, Di Jiang, Young-Chul Ghim and Greg Severn Energy selectivity in electron absorptive heating methods: does the angular momentum trap matter? An experimental investigation Plasma Sources Sci. Technol. 31, 084003 (2022)
49. D. Kim, J. Kang, M.W. Lee, J. Candy, E.S. Yoon, S. Yi, J.-M. Kwon, Y.-c. Ghim, W. Choe and C. Sung Progress in gyrokinetic validation studies using NBI heated L-mode discharge in KSTAR Curr Appl Phys 42, 60 (2022)
48. Yegeon Lim, Greg Severn, Chi-Shung Yip and Y.-c. Ghim Benchmark experiments of the power law parametrization of the effective ion collecting area of a planar Langmuir probe in low temperature plasmas Plasma Sources Sci. Technol. 31, 024001 (2022)
47. Jonghyeon Ryu, Seunggi Ham, Juhyeong Lee, JongYoon Park, Sungbin Park, YeongHwan Choi, H.J. Woo, Kern Lee, Y.-c. Ghim, Y.S. Hwang and Kyoung-Jae Chung A modular X-pinch device for versatile X-pinch experiments at Seoul National University Rev. Sci. Instrum. 92, 053533 (2021)
46. Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Kyoung-Jae Chung, Y.-c. Ghim, H.J. Woo and Y.S. Hwang
Development of filtered AXUV diode array for X-pinch soft X-ray spectrum reconstruction in the energy range of 1 - 10 keV Rev. Sci. Instrum. 92, 053509 (2021)
45. Seongmin Choi, Dong-Geun Lee, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y.S. Hwang and Y.-c. Ghim Data analysis scheme for correcting general misalignments of an optics configuration for a voltage measurement system based on the Pockels electro-optic effect Rev. Sci. Instrum. 92, 043105 (2021)
44. Dong-Geun Lee, K.C. Lee, J.-W. Juhn, Jae-seok Lee and Y.-c. Ghim New heterodyne dispersion interferometer system, Single Crystal Dispersion Interferometer, installed on KSTAR and its first measurement Rev. Sci. Instrum. 92, 033536 (2021)
43. 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 Rev. Sci. Instrum. 92, 033520 (2021)
42. Yegeon Lim, Yong Sung You, Wonjun Lee, Bin Ahn, Se Youn Moon, B. Kim, H.J. Woo, Taihyeop Lho, W. Choe and Y.-c. Ghim New low temperature multidipole plasma device with a magnetic X-point and its properties Plasma Sources Science and Technology 29, 115012 (2020)
41. Jaewook Kim, M.J. Choi, Y.U. Nam, Hogun Jhang, J.G. Bak, S.H. Hahn, C. Sung, W. Choe and Y.-c. Ghim Nonlinear energy transfer from low frequency electromagnetic fluctuations to broadband turbulence during edge localized mode crashes Nuclear Fusion 60, 124002 (2020)
40. Seongmin Choi, Alvin A. 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 Journal of Instrumentation 15, C03030 (2020)
39. Sehyun Kwak, J. Svensson, S. Bozhenkov, J. Flanagan, M. Kempenaars, A. Boboc, Y.-c. Ghim and JET Contributors Bayesian modelling of Thomson scattering and multichannel interferometer diagnostics using Gaussian processes Nuclear Fusion 60, 046009 (2020)
38. Semin Joung, Jaewook Kim, Sehyun Kwak, J.G. Bak, S.G. Lee, H.S. Han, H.S. Kim, Geunho Lee, Daeho Kwon and Y.-c. Ghim Deep neural network Grad-Shafranov solver constrained with measured magnetic signals Nuclear Fusion 60, 016034 (2020)
37. J.R. Harrison et al. Overview of new MAST physics in anticipation of first results from MAST Upgrade Nucl. Fusion 59, 112011 (2019)
36. M.S. Bawaaneh, A.M. Al-Khateeb and Y.-c. Ghim Thermal enhancement of absorption of EM radiation in a hot magnetoplasma slab IEEE Trans. Antennas Propag. 66, 6525 (2018)
35. Yeong-Kook Oh et al. Progress of the KSTAR Research Program Exploring the Advanced High Performance and Steady-State Plasma Operations J. Korean Phys. Soc. 73, 712 (2018)
34. Semin Joung, Jaewook Kim, Sehyun Kwak, Kyeo-reh Park, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee and Y.-c. Ghim Imputation of faulty magnetic sensors with coupled Bayesian and Gaussian processes to reconstruct the magnetic equilibrium in real time Rev. Sci. Instrum. 89, 10K106 (2018)
33. M. S. Bawaaneh, A. M. Al-Khateeb and Y.-c. Ghim Resistance and reactance of monopole fields induced by a test charge drifting off-axis in a cold and collisional cylindrical plasma Chin. Phys. Lett. 35, 085101 (2018)
32. Jaewook Kim, Wonjun Lee, Hogun Jhang, S.S. Kim, H.H. Kaang and Y.-c. Ghim Evolution of magnetic Kubo number of stochastic magnetic fields during the edge pedestal collapse simulation Phys. Plasmas 25, 082306 (2018)
31. Sang Min Kim, B. V. S. Jyoti, Seung Wook Baek, D. C. Kyritsis and Y.-c. Ghim Effects of electrostatic voltage and polarity on diffusion-controlled propane flame for enhanced efficiency J. Energy Engineering 144 (2), 04018004 (2018)
30. Kyeo-reh Park, Keon-hee Kim, Sehyun Kwak, J. Svensson, J.H. Lee and Y.-c. Ghim Feasibility study of direct spectra measurements for Thomson scattered signals for KSTAR fusion-grade plasmas Journal of Instrumentation, 12, C11022 (2017)
29. Keon-hee Kim, Tae-suk Oh, Kyeo-reh Park, 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 Journal of Instrumentation 12, C11020 (2017)
28. A. Kirk et al. Overview of recent physics results from MAST Nucl. Fusion 57, 102007 (2017)
27. H. Jhang, Y.-c. Ghim, Z.-x. Wang, J.M. Kwon and. N. Tamura Summary of the 6th Asia-Pacific transport working group (APTWG) meeting Nucl. Fusion 57, 087002 (2017)
26. G. J. Colyer, A. A. Schekochihin, F. I. Parra, C. M. Roach, M. A. Barnes, Y.-c. Ghim and W. Dorland Collisionality scaling of the electron heat flux in ETG turbulence Plasma Phys. Control. Fusion 59, 055002 (2017)
25. M. F. J. Fox, A. R. Field, F. van Wyk, Y.-c. Ghim, A. A. Schekochihin and the MAST Team Experimental determination of the correlation properties of plasma turbulence using 2D BES systems Plasma Phys. Control. Fusion 59, 044008 (2017)
24. M. F. J. Fox, F. van Wyk, A. R. Field, Y.-c. Ghim, F. I. Parra, A. A. Schekochihin and the MAST Team Symmetry breaking in MAST plasma turbulence due to toroidal flow shear Plasma Phys. Control. Fusion 59, 034002 (2017)
23. Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors Bayesian electron density inference from JET lithium beam emission spectra using Gaussian processes Nucl. Fusion 57, 036017 (2017)
22. K.C. Lee, J.-W. Juhn, Y.U. Nam, Y.S. Kim, S.W. Kim and Y.-c. Ghim The design of two color interferometer system for the 3-dimensional analysis of plasma density evolution on KSTAR Fusion Eng. Des. 113, 87 (2016)
21. H.H. Lee, J. Seol, W.H. Ko, L. Terzolo, A.Y. Aydemir, Y. In, Y.-c. Ghim and S. G. Lee Effects of neoclassical toroidal viscosity induced by the intrinsic error fields and toroidal field ripple on the toroidal rotation in tokamaks Phys. Plasmas 23, 082510 (2016)
20. Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim Reliability of the two-point measurement of the spatial correlation length from Gaussian-shaped fluctuating signals in fusion-grade plasmas Nucl. Fusion 56, 106016 (2016)
19. Jaewook Kim, M.F.J. Fox, A.R. Field, Y.U. Nam and Y.-c. Ghim Conditions for generating synthetic data to investigate characteristics of fluctuating quantities Comput. Phys. Commun. 204, 152 (2016)
18. 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 sources in the KSTAR 2014 Thomson Scattering system from the measured variation on electron temperature J. Instrum. 11, C03036 (2016)
17. X. Gao, Y.-c. Ghim, Y.W. Sun, Z. Gao, S. Inagaki, W. Chen, T. Zhang and Z.X. Wang APTWG: The 5th Asia-Pacific Transport Working Group Meeting Nucl. Fusion 56, 038001 (2016)
16. Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors Bayesian modelling of the emission spectrum of the JET Li-BES system Rev. Sci. Instrum. 87, 023501 (2016)
15. H.Y. Lee, S.H. Hahn, Y.-c. Ghim, J.G. Bak, J.H. Lee, W.H. Ko, K.D. Lee, S.H. Lee, H.H. Lee, J.-W. Juhn, H.S. Kim, S.W. Yoon, H.Han, J.H. Hong, J.H. Jang, J.S. Park and Wonho Choe Edge localized mode characteristics during edge localised mode mitigation by supersonic molecular beam injection in Korea Superconducting Tokamak Advanced Research Phys. Plasmas 22, 122512 (2015)
14. I.T. Chapman et al. Overview of MAST results Nucl. Fusion, 55, 104008 (2015)
13. H.-S. Kim, Y.M. Jeon, Y.-S. Na, Y.-c. Ghim, J.-W. Ahn, S.W. Yoon, J.G. Bak, Y.S. Bae, J.S. Kim, M. Joung, J.-H. Jeong, S.H. Hong, K.M. Kim, T. Suzuki, W.C. Kim, J.-G. Kwak and the KSTAR Team Characteristics of global energy confinement in KSTAR L- and H-mode plasmas Nucl. Fusion, 54, 083012 (2014)
12. 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 in MAST Nucl. Fusion, 54, 042003 (2014)
11. A. R. Field, D. Dunai, Y.-c. Ghim, P. Hill, B. McMillan, C. M. Roach, S. Saarelma, A. A. Schekochihin, S. Zoletnik and the MAST Team Comparison of BES measurements of ion-scale turbulence with direct gyro-kinetic simulations of MAST L-moda plasmas Plasma Phys. Control. Fusion, 56, 025012 (2014)
10. H. Meyer et. al. Overview of physics results from MAST towards ITER/DEMO and the MAST Upgrade Nucl. Fusion 53, 104008 (2013)
09. Y.-c. Ghim, A. A. Schekochihin, A. R. Field, I. Abel, M. Barnes, G. Colyer, S. C. Cowley, F. I. Parra, D. Dunai, S. Zoletnik and the MAST Team Experimental Signatures of Critically Balanced Turbulence in MAST Phys. Rev. Lett. 110, 145002 (2013)
08. Y.-c. Ghim, A. R. Field, D. Dunai, S. Zoletnik, L. Bardoczi, A. A. Schekochihin and the MAST Team Measurement and physical interpretation of the mean motion of turbulent density patterns detected by the BES system on MAST Plasma Phys. Control. Fusion 54, 095012 (2012)
07. A. R. Field, D. Dunai, R. Gaffka, Y.-c. Ghim, I. Kiss, B. Meszaros, T. Krizsanoczi, S. Shibaev and S. Zoletnik BES turbulence imaging system for the MAST spherical tokamak Rev. Sci. Instrum. 83, 013508 (2012)
06. B. Lloyd et. al. Overview of physics results from MAST Nucl. Fusion 51, 094013 (2011)
05. A. R. Field, C. Michael, R. J. Akers, J. Candy, G. Colyer, W. Guttenfelder, Y.-c. Ghim, C. M. Roach, S. Saarelma and the MAST Team Plasma rotation and transport in MAST spherical tokamak Nucl. Fusion 51, 063006 (2011)
04. Y.-c. Ghim, A. R. Field, S. Zoletnik and D. Dunai Calculation of spatial response of 2D beam emission spectroscopy diagnostic on MAST Rev. Sci. Instrum. 81, 10D713 (2010)
03. Y.-c. Ghim and N. Hershkowitz Experimental verification of Boltzmann equilibrium for negative ions in weakly collisional electronegative plasmas Appl. Phys. Lett. 94, 151503 (2009)
02. Y.-c. Ghim and N. Hershkowitz Improved double planar probe data analysis technique Rev. Sci. Instrum. 80, 033502 (2009)
01. N. Hershkowitz and Y.-c. Ghim Probing plasmas with ion acoustic waves Plasma Sources Sci. Technol. 18, 014018 (2009)