PUBLICATIONS 

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2024

Hong Yang, Michael R Armstrong, Ryan A Austin, Harry B Radousky, Akshat Hetal Patel, Tiwei Wei, Alexander F Goncharov, Wendy L Mao, Eduardo Granados, Hae Ja Lee, Inhyuk Nam, Bob Nagler, Peter Walter, Jonathan L Belof, Shaughnessy B Brown, Vitali Prakapenka, Sergey S Lobanov, Clemens Prescher, Nicolas Holtgrewe, Elissaios Stavrou, Paulius V Grivickas, Arianna E Gleason, "Evidence of non-isentropic release from high residual temperatures in shocked metals measured with ultrafast x-ray diffraction ", J. Appl. Physics  5, 136, (2024)

Kook-Jin Moon, Inhyuk Nam, Chi Hyun Shim, "Feasibility study of the shorter focusing lattice for soft X-ray undulator line at PAL-XFEL ", Journal of the Korean Physical Society 85, 248, 2024 

Inhyuk Nam, Minseok Kim, Myung Hoon Cho, Dogeun Jang, MinSup Hur, Hyyong Suk, “Enhancement of electron energies in the laser wakefield acceleration using a density up-ramp capillary gas-cell”, Phys. Scr. 99 015603, (2024)

Manoj Kumar, Bernhard Ersfeld, Jaeho Lee, Dohyun Park, Seungyun Kim, Inhyuk Nam, Minseok Kim, Seongjin Jeon, Dino A Jaroszynski, Hyyong Suk, Min Sup Hur, “Narrowband THz Emission from a Plasma Oscillator Imbedded in a Plasma Density Gradient”, arXiv:2402.17267v1, (2024)

2023

Inhyuk Nam, Intae Eom, Minseok Kim, MyungHoon Cho, Dogeun Jang. "Optimized terahertz pulse generation with chirped pump pulses from an echelon-based tilted-pulse-front (TPF) scheme." Optics Express 31, no. 16, 26969-26979, (2023)

Chang-Kyu Sung, BokKyun Shin, Moses Chung, Inhyuk Nam, Changbum Kim, “A non-destructive correlated energy spread monitor using multi-stripline electrodes for X-ray free electron lasers”, Journal of the Korean Physical Society, 82, 346, 2023

S Lee, I Nam, M Cho, D Jang, S Kwon, H Suk, M Kim, “Interferometry analysis with fringe normalization and matrix Abel inversion for plasma diagnostics”, Journal of Instrumentation 18, c12016, (2023)

Sihyeon Lee, Seong-hoon Kwon, Inhyuk Nam, Myung-Hoon Cho, Dogeun Jang, Hyyong Suk, and Minseok Kim. "One-Body Capillary Plasma Source for Plasma Accelerator Research at e-LABs." Applied Sciences 13, no. 4 (2023)

D Kraus, J Vorberger, NJ Hartley, J Lütgert, M Rödel, D Chekrygina, T Döppner, T van Driel, RW Falcone, LB Fletcher, S Frydrych, E Galtier, DO Gericke, SH Glenzer, E Granados, Y Inubushi, N Kamimura, K Katagiri, MJ MacDonald, AJ MacKinnon, T Matsuoka, K Miyanishi, Emma Elizabeth McBride, I Nam, P Neumayer, N Ozaki, A Pak, A Ravasio, AM Saunders, AK Schuster, MG Stevenson, K Sueda, P Sun, T Togashi, K Voigt, M Yabashi, T Yabuuchi,. "Indirect evidence for elemental hydrogen in laser-compressed hydrocarbons." Physical Review Research 5, no. 2 (2023)

Myung-Hoon Cho, Teyoun Kang, Haeryong Yang, Gyujin Kim, Seong-Hoon Kwon, Kook-Jin Moon, Inhyuk Nam, Chang-Ki Min, Hoon Heo, Changbum Kim, Heung-Sik Kang, Chi Hyun Shim, “Generation of time-synchronized two-color X-ray free-electron laser pulses using phase shifters”, Scientific Reports, vol 13, 13786, (2023)

Thomas Kluge, Michael Bussmann, Eric Galtier, Siegfried H Glenzer, Joerg Grenzer, Christian Gutt, Nicholas J Hartley, Lingen Huang, Alejandro Laso Garcia, Hae Ja Lee, Emma Elizabeth McBride, Josefine Metzkes-Ng, Motoaki Nakatsutsumi, Inhyuk Nam, Alexander Pelka, Irene Prencipe, Lisa Randolph, Martin Rehwald, Christian Rödel, Melanie Rödel, Toma Toncian, Long Yang, Karl Zeil, Ulrich Schramm, Thomas E Cowan, “Probing shock dynamics inside micro-wire targets after high-intensity laser irradiation using a Small Angle X-ray Scattering of a free-electron laser”, New Journal of Physics, 25, 103036, (2023)

T-K Choi, Jaeku Park, Gyujin Kim, Hoyoung Jang, S-Y Park, Jang Hyeob Sohn, Byoung Ick Cho, Hyunjung Kim, Kyung Sook Kim, Inhyuk Nam, Sae Hwan Chun, “Resonant X-ray emission spectroscopy using self-seeded hard X-ray pulses at PAL-XFEL”, Journal of Synchrotron Radiation, 30, 1038-1047, (2023)

2022

Myung-Hoon Cho, Minseok Kim, Inhyuk Nam*,"Numerical dispersion free in longitudinal axis for particle-in-cell simulation". Journal of Computational Physics, 462, 2022 (Corresponding)

Intae Eom, Sae Hwan Chun, Jae Hyuk Lee, Daewoong Nam, Rory Ma, Jaehyun Park, Sehan Park, Sang Han Park, Haeryong Yang, Inhyuk Nam, Myung Hoon Cho, Chi Hyun Shim, Gyujin Kim, Chang-Ki Min, Hoon Heo, Heung-Sik Kang, Changbum Kim, “Recent Progress of the PAL-XFEL”, Applied Sciences, vol. 12, no. 3, 2022

W Bang, BI Cho, MH Cho, MS Cho, M Chung, MS Hur, G Kang, K Kang, T Kang, C Kim, HN Kim, J Kim, KB Kim, KN Kim, M Kim, MS Kim, M Kumar, H Lee, HW Lee, K Lee, I Nam, SH Park, V Phung, WJ Ryu, SY Shin, HS Song, J Song, J Won, H Suk, "Review of laser-plasma physics research and applications in Korea", Journal of the Korean Physical Society, 80, 698-716, 2022

Michael R Armstrong, Harry B Radousky, Ryan A Austin, Oliver Tschauner, Shaughnessy Brown, Arianna E Gleason, Nir Goldman, Eduardo Granados, Paulius Grivickas, Nicholas Holtgrewe, Matthew P Kroonblawd, Hae Ja Lee, Sergey Lobanov, Bob Nagler, Inhyuk Nam, Vitali Prakapenka, Clemens Prescher, Evan J Reed, Elissaios Stavrou, Peter Walter, Alexander F Goncharov, Jonathan L Belof, "Highly ordered graphite (HOPG) to hexagonal diamond (lonsdaleite) phase transition observed on picosecond time scales using ultrafast x-ray diffraction", Journal of Applied Physics, 132, 055901, 2022

 Gyujin Kim, Haeryong Yang, Chi Hyun Shim, Inhyuk Nam, Myung Hoon Cho, Hoon Heo, Changbum Kim, Chang-Ki Min, Heung-Sik Kang, "Control Scheme of Phase-Shifter for Photon Energy Scan", Photonics, 9, 418, 2022

2021

  Inhyuk Nam*,Chang-Ki Min*, Bonggi Oh, Gyujin Kim, Donghyun Na, Young Jin Suh, Haeryong Yang, Myung-Hoon Cho, Changbum Kim, Min Jae Kim, Chihyun Shim, Jun Ho Ko, Hoon Heo, Jaehyun Park, Jangwoo Kim, Sehan Park, Gisu Park, Seonghan Kim, Sae Hwan Chun, HyoJung Hyun, Jae Hyuk Lee, Kyung Sook Kim, Intae Eom, Seungyu Rah, Deming Shu, Kwang-Je Kim, Sergey Terentyev, Vladimir Blank, Yuri Shvydko, Sang Jae Lee, Heung-Sik Kang, "High-brightness self-seeded X-ray free-electron laser covering the 3.5 keV to 14.6 keV range", Nature Photonics, vol 15, pp. 435, 2021

  S.-Y. Kim, K. Moon, M. Chung, K. N. Sjobak, E. Adli, S. Doebert, M. Dayyani, E. S. Yoon, I. Nam, and G. Hahn, "Witness electron beam injection using an active plasma lens for a proton beam-driven plasma wakefield accelerator" Phys. Rev. Accel. Beams 24, 121304, 2021

Jun Ho Ko, Chi Hyun Shim, Inhyuk Nam, Donghyun Na, Gyujin Kim, Haeryong Yang, Heung-Sik Kang, “Two-dimensional tilt control of electron bunch for X-ray free electron laser”, Nucl. Instrum. Methods A, vol. 986, 11 2021 

2020

  S. Frydrych, J. Vorberger, N. J. Hartley, A. K. Schuster, K. Ramakrishna, A. M. Saunders, T. van Driel, R. W. Falcone, L. B. Fletcher, E. Galtier, E. J. Gamboa, S. H. Glenzer, E. Granados, M. J. MacDonald, A. J. MacKinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, K. Voigt, M. Roth, P. Sun, D. O. Gericke, T. Döppner & D. Kraus, “Demonstration of X-ray Thomson scattering as diagnostics for miscibility in warm dense matter”, Nature Communications volume 11, 2620, 2020 

 A. K. Schuster, N. J. Hartley, J. Vorberger, T. Döppner, T. van Driel, R. W. Falcone, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, D. O. Gericke, S. H. Glenzer, E. Granados, M. J. MacDonald, A. J. MacKinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, I. Prencipe, K. Voigt, A. M. Saunders, P. Sun, and D. Kraus, “Measurement of diamond nucleation rates from hydrocarbons at conditions comparable to the interiors of icy giant planets”, Phys. Rev. B 101, 054301, 2020

 M. J. MacDonald, E. E. McBride, E. Galtier, M. Gauthier, E. Granados, D. Kraus, A. Krygier, A. L. Levitan, A. J. MacKinnon, I. Nam, W. Schumaker, P. Sun, T. B. van Driel, J. Vorberger, Z. Xing, R. P. Drake, S. H. Glenzer, and L. B. Fletcher, “Using simultaneous x-ray diffraction and velocity interferometry to determine material strength in shock-compressed diamond” , Appl. Phys. Lett. 116, 234104, 2020

 Harry B. Radousky, Michael R. Armstrong, Ryan A. Austin, Elissaios Stavrou, Shaughnessy Brown, Alexander A. Chernov, Arianna E. Gleason, Eduardo Granados, Paulius Grivickas, Nicholas Holtgrewe, Hae Ja Lee, Sergey S. Lobanov, Bob Nagler, Inhyuk Nam, Vitali Prakapenka, Clemens Prescher, Peter Walter, Alexander F. Goncharov, and Jonathan L. Belof, “Melting and refreezing of zirconium observed using ultrafast x-ray diffraction”, Phys. Rev. Research 2, 013192, 2020 

D. McGonegle, P. G. Heighway, M. Sliwa, C. A. Bolme, A. J. Comley, L. E. Dresselhaus-Marais, A. Higginbotham, A. J. Poole, E. E. McBride, B. Nagler, I. Nam, M. H. Seaberg, B. A. Remington, R. E. Rudd, C. E. Wehrenberg & J. S. Wark “Investigating off-Hugoniot states using multi-layer ring-up targets.”, Scientific Reports 10, 13172, (2020) 

2019

C. K. Min, I. Nam*, H. Yang, G. Kim, C. H. Shim, J. H. Ko, M. H. Cho, H. Heo, B. Oh, Y. J. Suh, M. J. Kim, D. Na, C. Kim, Y. Kim, S. H. Chun, J. H. Lee, J. Kim, S. Kim, I. Eom, S. N. Kim, T. Y. Koo, S. Rah, Y. Shvyd'ko, D. Shu, K. J. Kim, S. Terentyev, V. Blank, and H. S. Kang, “Hard X-ray self-seeding commissioning at PAL-XFEL,” Journal of Synchrotron Radiation, vol. 26, pp. 1101-1109, (2019).

H. S. Kang, H. Yang, G. Kim, H. Heo, I. Nam, C. K. Min, C. Kim, S. Y. Baek, H. J. Choi, G. Mun, B. R. Park, Y. J. Suh, D. C. Shin, J. Hu, J. Hong, S. Jung, S. H. Kim, K. Kim, D. Na, S. S. Park, Y. J. Park, J. H. Han, Y. G. Jung, S. H. Jeong, M. J. Kim, H. G. Lee, S. Lee, W. W. Lee, B. Oh, H. S. Suh, K. H. Park, H. S. Lee, D. Z. Khan, T. O. Raubenheimer, and J. Wu, “FEL performance achieved at PAL-XFEL using a three-chicane bunch compression scheme,” Journal of Synchrotron Radiation, vol. 26, pp. 1127-1138, (2019). IF: 2.452

N. J. Hartley, S. Brown, T. E. Cowan, E. Cunningham, T. Döppner, R. W. Falcone, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, A. Laso Garcia, D. O. Gericke, S. H. Glenzer, E. Granados, P. A. Heimann, H. J. Lee, M. J. MacDonald, A. J. MacKinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, A. Pelka, I. Prencipe, A. Ravasio, M. Rödel, K. Rohatsch, A. M. Saunders, M. Schölmerich, M. Schörner, A. K. Schuster, P. Sun, T. van Driel, J. Vorberger, and D. Kraus, “Evidence for Crystalline Structure in Dynamically-Compressed Polyethylene up to 200 GPa,” Scientific Reports, vol. 9, no. 1, (2019) 

2018

S. H. Park, M. Kim, C. K. Min, I. Eom, I. Nam, H. S. Lee, H. S. Kang, H. D. Kim, H. Y. Jang, S. Kim, S. M. Hwang, G. S. Park, J. Park, T. Y. Koo, and S. Kwon, “PAL-XFEL soft X-ray scientific instruments and X-ray optics: First commissioning results,” Review of Scientific Instruments, vol. 89, no. 5, (2018)

I. Nam*, C. K. Min, C. Kim, H. Yang, G. Kim, H. Heo, S. Kwon, S. H. Park, and H. S. Kang, “Soft X-ray harmonic lasing self-seeded free electron laser at Pohang Accelerator Laboratory X-ray free electron laser,” Applied Physics Letters, vol. 112, no. 21, (2018)

H. S. Kang, H. Yang, I. Nam, G. Kim, H. Heo, C. K. Min, C. Kim, H. S. Lee, and K. H. Park, “Machine Performance of PAL-XFEL,” Journal of the Korean Physical Society, vol. 73, no. 2, pp. 235-237, (2018)

F. Seiboth, L. B. Fletcher, D. McGonegle, S. Anzellini, L. E. Dresselhaus-Cooper, M. Frost, E. Galtier, S. Goede, M. Harmand, H. J. Lee, A. L. Levitan, K. Miyanishi, B. Nagler, I. Nam, N. Ozaki, M. Rödel, A. Schropp, C. Spindloe, P. Sun, J. S. Wark, J. Hastings, S. H. Glenzer, and E. E. McBride, “Simultaneous 8.2 keV phase-contrast imaging and 24.6 keV X-ray diffraction from shock-compressed matter at the LCLS,” Applied Physics Letters, vol. 112, no. 22, (2018)

D. Kraus, N. J. Hartley, S. Frydrych, A. K. Schuster, K. Rohatsch, M. Rödel, T. E. Cowan, S. Brown, E. Cunningham, T. Van Driel, L. B. Fletcher, E. Galtier, E. J. Gamboa, A. Laso Garcia, D. O. Gericke, E. Granados, P. A. Heimann, H. J. Lee, M. J. Macdonald, A. J. Mackinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, A. Pelka, I. Prencipe, A. Ravasio, R. Redmer, A. M. Saunders, M. Schölmerich, M. Schörner, P. Sun, S. J. Turner, A. Zettl, R. W. Falcone, S. H. Glenzer, T. Döppner, and J. Vorberger, “High-pressure chemistry of hydrocarbons relevant to planetary interiors and inertial confinement fusion,” Physics of Plasmas, vol. 25, no. 5, (2018)

T. Kluge, M. Rödel, J. Metzkes-Ng, A. Pelka, A. L. Garcia, I. Prencipe, M. Rehwald, M. Nakatsutsumi, E. E. McBride, T. Schönherr, M. Garten, N. J. Hartley, M. Zacharias, J. Grenzer, A. Erbe, Y. M. Georgiev, E. Galtier, I. Nam, H. J. Lee, S. Glenzer, M. Bussmann, C. Gutt, K. Zeil, C. Rödel, U. Hübner, U. Schramm, and T. E. Cowan, “Observation of Ultrafast Solid-Density Plasma Dynamics Using Femtosecond X-Ray Pulses from a Free-Electron Laser,” Physical Review X, vol. 8, no. 3, (2018)

 N. J. Hartley, J. Vorberger, T. Döppner, T. Cowan, R. W. Falcone, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, D. O. Gericke, S. H. Glenzer, E. Granados, M. J. Macdonald, A. J. Mackinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, K. Rohatsch, A. M. Saunders, A. K. Schuster, P. Sun, T. Van Driel, and D. Kraus, “Liquid Structure of Shock-Compressed Hydrocarbons at Megabar Pressures,” Physical Review Letters, vol. 121, no. 24, (2018)

2017  

H. S. Kang, C. K. Min, H. Heo, C. Kim, H. Yang, G. Kim, I. Nam, et al., “Hard X-ray free-electron laser with femtosecond-scale timing jitter,” Nature Photonics, vol. 11, no. 11, pp. 708-713, (2017)

D. Kraus, J. Vorberger, A. Pak, N. J. Hartley, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, D. O. Gericke, S. H. Glenzer, E. Granados, M. J. MacDonald, A. J. MacKinnon, E. E. McBride, I. Nam, P. Neumayer, M. Roth, A. M. Saunders, A. K. Schuster, P. Sun, T. Van Driel, T. Döppner, and R. W. Falcone, “Formation of diamonds in laser-compressed hydrocarbons at planetary interior conditions,” Nature Astronomy, vol. 1, no. 9, pp. 606-611, (2017)

S. B. Brown, A. Hashim, A. Gleason, E. Galtier, I. Nam, Z. Xing, A. Fry, A. Mackinnon, B. Nagler, E. Granados, and H. J. Lee, “Shock drive capabilities of a 30-Joule laser at the matter in extreme conditions hutch of the Linac Coherent Light Source,” Review of Scientific Instruments, vol. 88, no. 10, (2017)

R. Briggs, M. G. Gorman, A. L. Coleman, R. S. McWilliams, E. E. McBride, D. McGonegle, J. S. Wark, L. Peacock, S. Rothman, S. G. Macleod, C. A. Bolme, A. E. Gleason, G. W. Collins, J. H. Eggert, D. E. Fratanduono, R. F. Smith, E. Galtier, E. Granados, H. J. Lee, B. Nagler, I. Nam, Z. Xing, and M. I. McMahon, “Ultrafast X-Ray Diffraction Studies of the Phase Transitions and Equation of State of Scandium Shock Compressed to 82 GPa,” Physical Review Letters, vol. 118, no. 2, (2017)

2016 - 2010  

 Inhyuk Nam, Minseok Kim, Seung Woo Lee, Dogeun Jang and Hyyong Suk, “Spatial and temporal measurements of plasma/gas densities in a capillary gas-cell for laser-plasma accelerators”, J. Korean Phys. Soc. 69 (2016)

Inhyuk Nam, Minseok Kim, Taehee Lee, Seung Woo Lee, and Hyyong Suk, “Highly-efficient 20 TW Ti:sapphire laser system using optimized diverging beams for laser wakefield acceleration experiments”, Curr. Appl. Phys. 15, 468 (2015)

 Inhyuk Nam, Victor V. Kulagin, Min Sup Hur, In Won Lee, and Hyyong Suk, “Generating nearly single-cycle pulses with increased intensity and strongly asymmetric pulses of petawatt level”, Phys. Rev. E 85, 026405 (2012) 

 Inhyuk Nam, Min-sup Hur, Nasr Hafz, Hyyong Suk, “Controlling the Betatron Oscillations of a Wakefield-Accelerated Electron Beam by Temporally-Asymmetric Laser Pulses”, Phys. Plasmas 18, 043107 (2011)                 

D.G. Jang, I.H. Nam, M.S. Kim, K. Kang and H. Suk, “Generation of broadband supercontinuum light by double-focusing of a femtosecond laser pulse in air”, Appl. Phys. Lett. 107, 131105 (2015)

 D.N. GUPTA, K. GOPAL, I.H. NAM, V.V. KULAGIN, AND H. SUK, “Laser wakefield acceleration of electrons from a density-modulated plasma”, Laser Part. Beams 32, 449 (2014)

 M. S. Kim, D. G. Jang, T. H. Lee, I. H. Nam, I. W. Lee, and H. Suk, “Characteristics of a tapered capillary plasma waveguide for laser wakefield acceleration”, Appl. Phys. Lett. 102, 204103 (2013)

Han Sup Uhm, Inhyuk Nam, Min Sup Hur, Hyyong Suk, “Large transverse motion and micro-bunching of trapped electrons in a wakefield accelerator driven by temporally-asymmetric laser pulses”, Curr. Appl. Phys. 13, 645 (2013)       

Min Sup Hur, Young-Kuk Kim, Victor V. Kulagin, Inhyuk Nam, and Hyyong Suk, “Versatile shaping of a relativistic laser pulse from a nonuniform overdense plasma”, Phys. Plasmas 18, 073114, (2012)

 D.G. Jang, M.S. Kim, I.H. Nam, H. Jang and H. Suk, “Interferometric density measurement of the gas-filled capillary plasma and its comparison with the H line measurement”, J. Instrum 7, C02045 (2012)

Han S. Uhm, In H. Nam, Hyyong Suk, “Scaling laws of design parameters for plasma wakefield accelerators”, Phys. Lett. A 376 (2012)

Do-Geun Jang, Jinju Kim, Inhyuk Nam, Min Sup Hur, Hyyong Suk, “Controlling the spectrum of high-power terahertz radiation from a laser-driven plasma wave”, Curr. Appl. Phys. 12, 1252 (2012)

 D. G. Jang, M. S. Kim, I. H. Nam, H. S. Uhm, and H. Suk, “Density evolution measurement of hydrogen plasma in capillary discharge by spectroscopy and interferometry methods”, Appl. Phys. Lett. 99, 141502 (2011)

Devki Nandan Gupta, In Hyuk Nam, and Hyyong Suk, “Laser-driven plasma beat-wave propagation in a density-modulated plasma”, Phys. Rev. E 84, 056403 (2011)

Seong Yong Oh, Min-Seok Kim, In Hyuk Nam and Hyyong Suk,” Characteristics of a Discharge-plasma Waveguide for High-energy Accelerators and X-ray Light Source Applications”, J. Korean Phys. Soc. 56, 6 (2010)

 Han S. Uhm, Min-Seok Kim, Inhyuk Nam, Seong Y. Oh, and Hyyong Suk, “Macroscopic description of a discharge current in a capillary discharge system”, IEEE Trans. on Plasma Sci. 38, 12 (2010)