JAMES KOGA (KOGA JAMES) - マイポータル

基本情報

所属: National Institutes for Quantum Science and Technology

J-GLOBAL ID: 201801017602676445
researchmap会員ID: B000337417

研究分野

自然科学一般 / 素粒子、原子核、宇宙線、宇宙物理に関する理論 /

論文

176

Creation of highly charged gold ion beam through collisional ionizations in a dense gold plasma driven by a femtosecond petawatt laser

Masayasu Hata, Chang Liu, James Kevin Koga, Natsumi Iwata, Yasuhiko Sentoku, Mamiko Nishiuchi

Physical Review Research 2025年8月29日
Evolution of a laser wake cavity in a MCF plasma

Andreas Bierwage, Timur Zh. Esirkepov, James K. Koga, Alexander S. Pirozhkov, Nobuyuki Aiba, Kai Huang, Masaki Kando, Hiromitsu Kiriyama, Akinobu Matsuyama, Kouji Shinohara …

Scientific Reports 14(1) 2024年11月13日
Breakdown of argon by a train of high-repetition long-wave-infrared pulses from a free-electron laser oscillator

Ryoichi Hajima, Keigo Kawase, James Koga, Heishun Zen, Hideaki Ohgaki

Optics Express 2024年5月28日
Metrology for sub-Rayleigh-length target positioning in ∼10²² W/cm² laser-plasma experiments

E. A. Vishnyakov, A. Sagisaka, K. Ogura, T. Zh Esirkepov, B. Gonzalez-Izquierdo, C. D. Armstrong, T. A. Pikuz, S. A. Pikuz, W. Yan, T. M. Jeong …

High Power Laser Science and Engineering 12 2024年3月5日
High-order alloharmonics produced by nonperiodic drivers

James Koga

ArXiv 2024年
Enhanced ion acceleration from transparency-driven foils demonstrated at two ultraintense laser facilities (Conference Presentation)

James Koga

Light: Science & Applications 2023年
Evaluation of the spatial resolution of Gafchromic™ HD-V2 radiochromic film characterized by the modulation transfer function

James Koga

AIP Advances 2023年
Instruments for best target position determination in the high-intensity laser-solid interaction experiment

Eugene A. Vishnyakov, Akito Sagisaka, Koichi Ogura, Tatiana A. Pikuz, Chris Armstrong, Sergey A. Pikuz, Bruno Gonzalez-Izquierdo, Timur Zh Esirkepov, Wenchao Yan, Tae Moon Jeong …

Proceedings of SPIE - The International Society for Optical Engineering 12582 2023年
Prospects of Relativistic Flying Mirrors for Ultra-High-Field Science

Masaki Kando, Alexander S. Pirozhkov, James K. Koga, Timur Zh. Esirkepov, Sergei V. Bulanov

Photonics 2022年11月15日
Relativistic flying laser focus by a laser-produced parabolic plasma mirror

Tae Moon Jeong, Sergei V. Bulanov, Petr Valenta, Georg Korn, Timur Zh. Esirkepov, James K. Koga, Alexander S. Pirozhkov, Masaki Kando, Stepan S. Bulanov

Physical Review A 104(5) 2021年11月30日査読有り
Gamma factory searches for extremely weakly interacting particles

Sreemanti Chakraborti, Jonathan L. Feng, James K. Koga, Mauro Valli

Physical Review D 104(5) 2021年9月21日査読有り
Nanoscale subsurface dynamics of solids upon high-intensity laser irradiation observed by femtosecond grazing-incidence x-ray scattering

James Koga

ArXiv 4(3) 2021年査読有り
Electron-positron pair creation in the electric fields generated by micro-bubble implosions

James K. Koga, Masakatsu Murakami, Alexey V. Arefiev, Yoshihide Nakamiya, Stepan S. Bulanov, Sergei V. Bulanov

Physics Letters A 384(34) 126854-126854 2020年12月査読有り筆頭著者
Polarity reversal of wakefields driven by ultrashort pulse laser

P. Valenta, T. Zh. Esirkepov, J. K. Koga, A. Nečas, G. M. Grittani, C. M. Lazzarini, O. Klimo, G. Korn, S. V. Bulanov

Physical Review E 102(5) 2020年11月30日査読有り
Relativistic flying mirrors as a compact source of coherent short-wavelength radiation

Petr Valenta, Timur Zh Esirkepov, James K. Koga, Alexander S. Pirozhkov, Masaki Kando, Tetsuya Kawachi, Yung-Kun Liu, Patrick Fang, Pisin Chen, Jie Mu …

Optics InfoBase Conference Papers 2020年11月16日
Relativistic flying forcibly oscillating reflective diffraction grating

Jie Mu, Timur Zh. Esirkepov, Petr Valenta, Yanjun Gu, Tae Moon Jeong, Alexander S. Pirozhkov, James K. Koga, Masaki Kando, Georg Korn, Sergei V. Bulanov

Physical Review E 102(5) 2020年11月2日査読有り
Petawatt Femtosecond Laser Pulses from Titanium-Doped Sapphire Crystal

Hiromitsu Kiriyama, Alexander Pirozhkov, Mamiko Nishiuchi, Yuji Fukuda, Akito Sagisaka, Akira Kon, Yasuhiro Miyasaka, Koichi Ogura, Nicholas P. Dover, Kotaro Kondo …

Crystals 2020年9月査読有り
Photon scattering by a 4π -spherically-focused ultrastrong electromagnetic wave

Tae Moon Jeong, Sergei V. Bulanov, Pavel V. Sasorov, Georg Korn, James K. Koga, Stepan S. Bulanov

Physical Review A 2020年8月3日査読有り
Observation of Burst Intensification by Singularity Emitting Radiation generated from relativistic plasma with a high-intensity laser

A. Sagisaka, K. Ogura, T.Zh. Esirkepov, D. Neely, T.A. Pikuz, J.K. Koga, Y. Fukuda, H. Kotaki, Y. Hayashi, B. Gonzalez-Izquierdo …

High Energy Density Physics 36 100751-100751 2020年8月査読有り
Status and progress of the J-KAREN-P high intensity laser system at QST

Hiromitsu Kiriyama, Alexander S. Pirozhkov, Mamiko Nishiuchi, Yuji Fukuda, Koichi Ogura, Akito Sagisaka, Yasuhiro Miyasaka, Hironao Sakaki, Nicholas P. Dover, Kotaro Kondo …

High Energy Density Physics 36 100771-100771 2020年8月査読有り

もっとみる

MISC

184

Ion Acceleration Experiment with the High Intensity, High Contrast J-KAREN-P Laser System

NISHIUCHI Mamiko, KIRIYAMA Hiromitsu, SAKAKI Hironao, DOVER Nicholas P, KONDO Kotaro, MIYAHARA Takumi, KOGA James K, PIROZHKOV Alexander S, SAGISAKA Akito, FUKUDA Yuji …

レーザー研究 46(3) 145‐147 2018年3月20日
Laser Original : Ion Acceleration Experiment with the High Intensity, High Contrast J-KAREN-P Laser System (「マルチ-ペタワットレーザーの最前線」特集号)

NISHIUCHI Mamiko, KIRIYAMA Hiromitsu, SAKAKI Hironao, DOVER Nicholas P, KONDO Kotaro, MIYAHARA Takumi, KOGA James K, PIROZHKOV Alexander S, SAGISAKA Akito, FUKUDA Yuji …

レーザー研究 = The review of laser engineering : レーザー学会誌 46(3) 145-147 2018年3月
The J-KAREN-P Facility Laser Performance Status (「マルチ-ペタワットレーザーの最前線」特集号)

KIRIYAMA Hiromitsu, NISHIUCHI Mamiko, PIROZHKOV Alexander S, FUKUDA Yuji, SAKAKI Hironao, SAGISAKA Akito, DOVER Nicholas P, KONDO Kotaro, OGURA Koichi, MORI Michiaki …

レーザー研究 = The review of laser engineering : レーザー学会誌 46(3) 134-137 2018年3月
The rapid progress of intense laser activities around the world and related femtosecond petawatt laser activities at QST

KIRIYAMA Hiromitsu, NISHIUCHI Mamiko, PIROZHKOV Alexander S, FUKUDA Yuji, SASAKI Hironao, SAGISAKA Akito, DOVER Nicholas P, KONDO Kotaro, OGURA Koichi, MORI Michiaki …

日本赤外線学会研究発表会資料 27th 3‐6 2017年
Development of a Detailed Calculation of the Delbruck Scattering

KOGA James, KOGA James

日本原子力研究開発機構JAEA-Review(Web) (2016-024) 166‐167 (WEB ONLY) 2017年1月
High Contrast High Intensity Petawatt J-KAREN-P Laser facility at QST

Mamiko Nishiuchi, Hiromitsu Kiriyama, Hironao Sakaki, Nicholas P. Dover, Kotaro Kondo, Alexander S. Pirozhkov, Akito Sagisaka, Yuji Fukuda, Keita Nishitani, Takumi Miyahara …

RESEARCH USING EXTREME LIGHT: ENTERING NEW FRONTIERS WITH PETAWATT-CLASS LASERS III 10241 2017年査読有り
Relativistic mirrors in laser plasmas (analytical methods)

S. V. Bulanov, T. Zh Esirkepov, M. Kando, J. Koga

PLASMA SOURCES SCIENCE & TECHNOLOGY 25(5) 2016年10月
Recent advances on the J-KAREN-P laser development

KIRIYAMA Hiromitsu, KANDO Masaki, PIROZHKOV Alexander S, KISHIMOTO Maki, KON Akira, NISHIUCHI Mamiko, SAKAKI Hironao, OGURA Koichi, KANASAKI Masato, TANAKA Hirotaka …

日本原子力研究開発機構JAEA-Conf(Web) (2016-001) 3.1 (WEB ONLY) 2016年3月
Recent progress on an upgrade of the J-KAREN laser at JAEA

H. Kiriyama, M. Mori, A. S. Pirozhkov, K. Ogura, M. Nishiuchi, M. Kando, H. Sakaki, A. Kon, M. Kanasaki, H. Tanaka …

2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015 2 2016年1月7日
The Current Status of the J-KAREN Laser Upgrade

Hiromitsu Kiriyama, Masaki Kando, Alexander S. Pirozhkov, Maki Kishimoto, Akira Kon, Mamiko Nishiuchi, Hironao Sakaki, Koichi Ogura, Masato Kanasaki, Hirotaka Tanaka …

2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) 2016年査読有り
Recent Progress in the J-KAREN Laser Upgrade to J-KAREN-P

KIRIYAMA Hiromitsu, MORI Michiaki, PIROZHKOV Alexander S, OGURA Koichi, NISHIUCH Mamiko, KANDO Masaki, SAKAKI Hironao, KON Akira, KANASAKI Masato, TANAKA Hirotaka …

日本原子力研究開発機構JAEA-Conf(Web) (2015-001) 4.8 (WEB ONLY) 2015年7月
Laser pre-pulse effects on ultra-high intensity laser-solid target interaction

KOGA James K, ESIRKEPOV Timur Zh, SUNAHARA Atsushi, NAGATOMO Hideo, NISHIHARA Katsunobu, SAGISAKA Akito, KANDO Masaki, BULANOV Sergei V, BULANOV Sergei V, BULANOV Sergei V

大阪大学レーザーエネルギー学研究センター共同利用・共同研究成果報告書 2014 269-270 2015年3月
High-Order Harmonics from Relativistic Laser Plasmas

Sergei V. Bulanov, Timur Zh. Esirkepov, James K. Koga, Alexander S. Pirozhkov, Kiminori Kondo, Masaki Kando

RESEARCH USING EXTREME LIGHT: ENTERING NEW FRONTIERS WITH PETAWATT-CLASS LASERS II 9515 2015年
Motion of a Charge in a Superstrong Electromagnetic Standing Wave

Timur Zh. Esirkepov, Stepan S. Bulanov, James K. Koga, Masaki Kando, Kiminori Kondo, Nikolay N. Rosanov, Georg Korn, Sergei V. Bulanov

RESEARCH USING EXTREME LIGHT: ENTERING NEW FRONTIERS WITH PETAWATT-CLASS LASERS II 9515 2015年査読有り
Recent Advances on the J-KAREN laser upgrade

Hiromitsu Kiriyama, Michiaki Mori, Alexander S. Pirozhkov, Koichi Ogura, Mamiko Nishiuchi, Masaki Kando, Hironao Sakaki, Akira Kon, Masato Kanasaki, Hirotaka Tanaka …

2015 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) 2015年査読有り
28aTN-8 超高強度場物理研究を目指した飛翔鏡の集光性能の評価(28aTN ビーム物理領域,領域2合同レーザープラズマ加速および高エネルギー密度物理1,ビーム物理領域)

神門正城, Pirozhkov Alexander, 林由紀雄, 小瀧秀行, Pikuz Tatiana, Faenov Anatoly, Esirkepov Timur, 大石裕嗣, Labate Luca, Gizzi Leonida …

日本物理学会講演概要集 69(1) 146-146 2014年3月5日
Possibility of Radiation Reaction Observation under Ultraintense Laser (レーザー学会創立40周年記念) -- (「欧州における超高出力レーザー開発の最前線」特集号)

SETO Keita, KOGA James, ZHANG Sen

レーザー研究 = The review of laser engineering : レーザー学会誌 42(2) 174-178 2014年2月
Laser light reflection by the nonlinear plasma wave formed in laser-plasma

KANDO Masaki, PIROZHKOV Alexander S, HAYASHI Yukio, KOTAKI Hideyuki, PIKUZ Tatiana A, FAENOV Anatoly Ya, ESIRKEPOV Timur Zh, OISHI Yuji, LABATE Luca, GIZZI Leonida A …

プラズマプロセシング研究会プロシーディングス(CD-ROM) 32nd ROMBUNNO.18PB-7(18PB-7) 2014年
Approaching radiation dominant regime in interaction of short, PW-class laser pulses with dense plasma

ZHIDKOV Alexei, ZHIDKOV Alexei, MASUDA Shinichi, MASUDA Shinichi, HOSOKAI Tomonao, HOSOKAI Tomonao, NAKANII Nobuhiko, NAKANII Nobuhiko, FAENOV Anatoly, PIKUZ Tatiana …

プラズマプロセシング研究会プロシーディングス(CD-ROM) 32nd ROMBUNNO.19AC1-2 2014年
High order harmonics from relativistic electron spikes

Alexander S. Pirozhkov, Masaki Kando, Timur Zh Esirkepov, Pablo Gallegos, Hamad Ahmed, Eugene N. Ragozin, Anatoly Ya Faenov, Tatiana A. Pikuz, Tetsuya Kawachi, Akito Sagisaka …

New Journal of Physics 16 2014年

もっとみる

共同研究・競争的資金等の研究課題

X-ray source for Novel imaging paradigm

日本学術振興会科学研究費助成事業基盤研究(A) 2019年4月 - 2024年3月

PIROZHKOV Alex, Esirkepov Timur, 匂坂明人, 小倉浩一, Pikuz Tatiana, 難波愼一, 桐山博光, Koga James, 神門正城
直線偏光ガンマ線のデルブリュック散乱

日本学術振興会科学研究費助成事業基盤研究(A) 2018年4月 - 2021年3月

早川岳人, 大垣英明, 加藤政博, 静間俊行, 川瀬啓悟, Koga James, 全炳俊
Relativistic Flying Mirror Gamma Ray Source

日本学術振興会科学研究費助成事業基盤研究(C) 2016年4月 - 2019年3月

Koga James, Esirkepov Timur

JAMES KOGA

基本情報

研究分野

論文

MISC

共同研究・競争的資金等の研究課題

メニュー

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