Publications

2025

M. Kitaura, H. Zen, S. Watanabe, H. Masai, K. Kamada, K.J. Kim, A. Yoshikawa, J. Ueda, Relationship between Ce3+ 5d1 level, conduction-band bottom, and shallow electron trap level in Gd3Ga5O12:Ce and Gd3Al1Ga4O12:Ce crystals studied via pump-probe absorption spectroscopy, Optical Materials: X, 25, 100398, 2025

R. Yamato, S. Kobayashi, T. Fujita, K. Nagaoka, K. Nagasaki, S. Inagaki, T. Kawate, H. Ohgaki, T. Kii, H. Zen, S. Kado, T. Minami, H. Okada, S. Ohshima, S. Konoshima, T. Mizuuchi, Y. Mototake, Measurement of x-ray bremsstrahlung radiation from high energy electrons by stochastic acceleration in Heliotron J, Review of Scientific Instruments, 67, 4, 033512, 2025

2024

K. Sota, K. Ando, H. Zen, T. Kii, H. Ohgaki, T. Nakajima, Morphological study of depth-controlled high quality holes and lines fabricated on a metal substrate with a thin metal film by picosecond laser pulses, Optics and Laser Technology, 175, 110853, 2024

S. Basu, K. Usher, H. Tamiya, R. Akasegawa, Y. Hui, Q. Chen, J. Cravioto, H. Ohgaki, Synergies and Trade-offs Quantification from Regional Waste Policy to Sustainable Development Goals: The Case of Kyoto City, Sustainable Development, 2024, 1-21, 2024

A. Mori, T. Shiroishi, J. Fujioka, T. Nakajima, S. Mitsui, H. Suginoma, Y. Kakuta, H. Zen, K. Nakamura, Infrared free electron laser-irradiated polyleucine does not exert aggregates-induced aversive effects on mouse brain, Brain Disorders, 14, 100137, 2024

R. Hajima, K. Kawase, J.K. Koga, H. Zen, H. Ohgaki, Breakdown of argon by a train of high-repetition long-wave-infrared pulses from a free-electron laser oscillator, Optics Express, 32, 13, 22722-22737, 2024

K. Kawase, H. Zen, T. Sakai, Y. Hayakawa, H. Ohgaki, and R. Hajima, Beam characterization of mid-infrared free electron laser to drive high-harmonic generation, Japanese Journal of Applied Physics, 63, 7, 072001, 2024

T. Kawasaki, A. Nagase, K. Hayakawa, F. Teshima, K. Tanaka, H. Zen, A. Irizawa, T. Sakai, Y. Hayakawa, Investigating structural property of human hair by using infrared free electron lasers, Discover Applied Sciences, 6, 397, 2024

S. Endo, R. Abe, H. Fujioka, T. Ino, O. Iwamoto, N. Iwamoto, S. Kawamura, A. Kimura, M. Kitaguchi, R. Kobayashi, S. Nakamura, T. Oku, T. Okudaira, M. Okuizumi, M. Omer, G. Rovira, T. Shima, H.M. Shimizu, T. Shizuma, Y. Taira, S. Takeda, S. Takahashi, H. Yoshikawa, T. Yoshikawa, H. Zen, Circular polarization measurement for individual gamma rays in capture reactions with intense pulsed neutrons, European Physical Journal A, 60, 166, 2024

Ju Yoon Hnin Bo, H. Zen, K. Yoshida, K. Hachiya, R. Akasegawa, H. Ohgaki, Observation of Selective Excitation of Raman Inactive Phonon Mode of Strontium Titanate Through Anti-Stokes Hyper-Raman Scattering Process, Journal of Infrared Millimeter and Terahertz Waves, 45, 999-1009, 2024

Ju Yoon Hnin Bo, H. Zen, H. Ohgaki, Measurement of temporal evolution of antiferromagnetic domain change in nickel oxide driven by 2TO phonon mode excitation via pump-probe experiment, Japanese Journal of Applied Physics, 63, 11, 112001, 2024

N. Sei, H. Zen, H. Ohgaki, R. Hajima, Temporal evolution of electron bunch length in macropulse of resonator-type free-electron lasers, iScience, 27, 12, 111402, 2024

K. Maejima, H. Zen, H. Sato, E. Nishibori, T. Enjou, Y. Takeda, S. Minakata, E. Hisamura, K. Albrecht, Y. Ikemoto, I. Badia-Dominguez, J. Sanchez-Rincon, M. C. R. Delgado, Y. Yamamoto, H. Yamagishi, A van der Waals porous crystal featuring conformational flexibility and permanent porosity for ultrafast water release, Communications Chemistry, 7, 284, 2024

A.L.G. Lemence, Jordi Cravioto, Benjamin C. McLellan, Review of Social Sustainability Assessments of Electricity Generating Systems, Energies, 17, 6058, 2024

V. Vai, H. Ohgaki, Techno-Economic Analysis of Rooftop PVs in Low Voltage Distribution Systems for Rural Electrification: A Case Study in Cambodia, 2023 IEEE PES 15th Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2024

S. kobayashi, R. Yamato, Y. Mototake, S. Inagaki, K. Nagasaki, K. Nagaoka, T. Kawate, A. Matsuyama, S. Kado, F. Kin, H. Ohgaki, T. Kii, H. Zen, Y. Nakamura, T. Mizuuchi, S. Konosihma, Stochastic Acceleration using Non-Resonant Microwave Launch in Heliotron- Type Magnetic Configuration Device Heliotron J, 66th Annual Meeting of the APS Division of Plasma Physics, JP12.00034, 2024

Presentations

2025

全炳俊, レーザコンプトン散乱ガンマ線を用いた核共鳴蛍光散乱による同位体識別3次元イメージング, CIQuS研究会「量子ビームを用いた3Dイメージング」, 高エネルギー加速器研究機構, 2025.3.15

西本海, 全炳俊, 大垣英明, 静間俊行, モハマド オマル, 早川岳人, UVSORにおけるF-LCSガンマ線による同位体存在比計測に関する研究, 日本原子力学会 2025年春の年会, オンライン開催, 2025.3.14

H. Ohgaki, H. Zen, T. Ogawa, Study on PHITS Simulation for Nuclear Resonance Fluorescence Experiment in UVSOR, EMSES 2025, 京都大学吉田 キャンパス, 2025.1.9

Ju Yoon Hnin Bo, H. Zen, H. Ohgaki, Investigation of phonon-induced magnetic domain dynamics as Neel temperature approaches in nickel oxide, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

BI Zhuang, K. Tanaka, H. Zen, H. Ohgaki, Development of array-type secondary electron emission monitor toward single-shot measurement of extraction efficiency of FEL, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

S. Sucharitakul, S. Thanasanvorakun, V. Yarangsi, M. Jitvisate, H. Ohgaki, S. Yarin, H. Zen, S. Rimjaem, S. Choopun, Near-Infrared FEL-Induced Inversion of Zeta Potential in Electrochemically Grown Quantum Dots: Insights into Ion Alteration, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

K. Nishimoto, H. Zen, T. Hayakawa, T. Shizuma, M. Omer, H. Ohgaki, Quantitative Evaluation of NRF Yield by Using LCS beams in UVSOR, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

J. Cravioto, H. Ohgaki, M. Napao, J. Quinones, Illuminating lives: The impact of solar home systems on rural households in the Philippines, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

N. Iamsomboon, A. Kumboon, T. Harutaivorakul, W. lamprom, P. Bhumkittipich, H. Ohgaki, Generation Z’s Sentiment Shaping Sustainable Green Hotel Development in the Energy Society, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

S. Saipetch, N. Iamsomboon, W. Lamprom, P. Bhumkittipich, H. Ohgaki, Design of Three-Power Synergy Model for Sustainability Management in Community Forests, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

P. Aroonpong, N. Iamsomboon, I. Siramaneerat, P. Bhumkittipich, H. Ohgaki, Assessment of Sustainable Local Food Systems in Northeastern Thailand: Pathways to SDGs Achievement, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

S. Doungdeach, N. Iamsomboon, S. Jotaworn, P. Bhumkittipich, H. Ohgaki, Analysis of Sustainable Airport Waste Management using A Triple-Integration Framework Combining Operational Efficiency,Smart Technology, and Environmental Performance, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

P. Bhumkittipich, N. Iamsomboon, K. Bhumkittipich, H. Ohgaki, Advancing Sustainable Development Goals through Integrated Solar Home System using Socio- Technique: Case Study from Sustainable Management based Rural Community, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

A. Uthong, N. Iamsomboon, P. Bhumkittipich, H. Ohgaki, Developing AI-driven Green Skills for Energy, Society and Sustainability in the Digital Industry: A Systematic Review, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

W. Ketren, H. Ohgaki, Degradative Solvent Extraction of Rice Straw: A Liquid Membrane-FTIR Spectroscopy Approach, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

H. Zen, Increase of Extraction Efficiency of Kyoto University Free Electron Laser by Reducing the Optical Cavity Loss, EMSES 2025, 京都大学吉田キャンパス, 2025.1.9

2024

H. Ohgaki, IR FEL Light Source and Applications, The 7th International School on Beam Dynamics and Accelerator Technology, Chaing Mai University, 2024.11.8

大垣英明, 斎藤知里, 園部太郎 , ASEAN地域の科学技術コーディネート人材育成に関する調査, 新技術渡邊財団科学技術調査研究助成課題成果報告会, 法曹会館, 2024.10.21

全炳俊, KRS-5を用いた長波長赤外自由電子レーザのスペクトル広帯域化とマルチパルス効果, 日本物理学会第79回年次大会, 北海道大学札幌キャンパス, 2024.9.18

羽島良一, 川瀬啓悟, 全炳俊, 大垣英明, 金井恒人, 共振器型自由電子レーザにおける高調波の干渉, 日本物理学会第79回年次大会, 北海道大学札幌キャンパス, 2024.9.18

小林建輝, 坂上和之, 全炳俊, 柏木茂, プリバンチドFEL発振に向けた光共振器開発, 日本物理学会第79回年次大会, 北海道大学札幌キャンパス, 2024.9.18

清紀弘, 大垣英明, 全炳俊, 境武志, 共振器型自由電子レーザーが誘起する電子バンチ変形の研究, 日本物理学会第79回年次大会, 北海道大学札幌キャンパス, 2024.9.18

柏木茂, 長澤育郎, 南部健一, 全炳俊, 坂上和之, 川瀬啓悟, アンジュレータ超放射の電場重畳による高強度THzパルス発生II, 日本物理学会第79回年次大会, 北海道大学札幌キャンパス, 2024.9.18

大垣英明, 全炳俊, 西本海, 早川岳人, 静間俊行, M. Omer, F-LCSビームを用いたNRF収量の定量評価, 日本原子力学会2024年秋の大会, 東北大学川内キャンパス, 2024.9.13

大垣英明, フラットLCSγ線の生成と応用, RARIS研究会C038「加速器を用いたガンマ線ビームの生成, 基礎科学と産業分野への利用」, 東北大学先端量子ビーム科学研究センター, 2024.9.10

N. Sei, H. Zen, H. Ohgaki, Observation of coherent edge radiation fro electron-bunch length monitoring during free-electron laser oscillations at KU-FEL, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

R. Hajima, K. Kawase, H. Zen, H. Ohgaki, T. Sakai, Y. Hayakawa, T. Kanai, High-harmonic generation from solid and gas targets with infrared FEL pulses, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

K. Umemoto, H. Zen, H. Ohgaki, Study on Cs-Te photocathode with protective film for performance improvement of KU-FEL, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

J. Bo, H. Zen, H. Ohgaki, Observation of high order sum frequency generations observed in polycrystalline ZnS, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

Z. Bi, K. Tanaka, H. Zen and H. Ohgaki, Development of array-type secondary electron emission monitor toward single-shot determination of extraction efficiency of oscillator FELs, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

H. Zen, H. Ohgaki, Present status of Kyoto University free electron laser facility, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

H. Zen, H. Ohgaki, R. Hajima, Nonlinear compression of long-wavelength-infrared free electron laser pulses in thick Germanium plate, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20 H. Zen, First trial of scraper out-coupling in Kyoto University Free Electron Laser, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.20

H. Zen, H. Ohgaki, Facility report on KU-FEL, The 41st International Free Electron Laser Conference (FEL2024), POLIN Conference Centre, Warsaw, Poland, 2024.8.19

H. Ohgaki, Global and ASEAN Energy Outlook, International Conference on Sustainable Engineering & Advanced Technology, Connexion Conference and Event Centre, KL, 2024.8.5

羽島良一, 川瀬啓悟, 全炳俊, 大垣英明, 早川恭史, 境 武志, 金井恒人, 自由電子レーザーで駆動す高繰り返しアト秒光源の研究: 2024, 第21回日本加速器 学会年会, 山形テルサ, 2024.8.2

H. Ohgaki, H. Zen, Introduction of Kyoto University MIR-free electron laser facility, Ajou-Kyoto Joint Symposium - Next Generation Energy Science and Technology Symposium, Ajou University, Korea, 2024.8.2

全炳俊, KRS-5中における長波長赤外自由電子レー ザパルスのスペクトル広帯域化, 第21回日本 速器 学会年会, 山形テルサ, 2024.8.1

川瀬啓悟, 全炳俊, 境武志, 早川恭史, 大垣英明, 羽島 良一, 高調波発生駆動のための日本大学LEBRA FELのビーム特性評価, 第21回日本加速器学会年会, 山形テルサ, 2024.8.1

畢壮, 田中虎太郎, 全炳俊, 大垣英明, 発振型FELに おける引き出し効率のシングルショット測定 向 けたアレイ型二次電子放出型モニターの開発, 第21 回日本加速器学会年会, 山形テルサ, 2024.8.1

全炳俊, 大垣英明, 京都大学自由電子レーザ施設の 現状, 第21回日本加速器学会年会, 山形テルサ, 2024.7.31

全炳俊, 京都大学自由電子レーザ施設におけるスク レーパ型光取出し方式の試験, 第21回日本加速器学 会年会, 山形テルサ, 2024.7.31

H. Ohgaki, Final session of Kyoto workshop, internship “Mutual Learning of STI Coordination-Toyota Foundation”, Internship of the TOYOTA Foundation project in Kyoto: Mutual Learning of Science Technology Innovation Coordination to Bridge Different Countries and Sectors in Cambodia, Thailand, and Japan towards Capacity Development Program and Policy Recommendations, Yoshida Campus, Kyoto University, 2024.7.19

H. Ohgaki, Introduction to IP, Workshop on the TOYOTA Foundation project in Kyoto: Mutual Learning of Science Technology Innovation Coordination to Bridge Different Countries and Sectors in Cambodia, Thailand, and Japan towards Capacity Development Program and Policy Recommendations, Yoshida Campus, Kyoto University, 2024.7.11

H. Ohgaki, Program Introduction “Mutual Learning of STI Coordination-Toyota Foundation”, Workshop on the TOYOTA Foundation project in Kyoto: Mutual Learning of Science Technology Innovation Coordination to Bridge Different Countries and Sectors in Cambodia, Thailand, and Japan towards Capacity Development Program and Policy Recommendations, Uji Campus, Kyoto University, 2024.7.9

Ju Yoon Hnin Bo, H. Zen, H. Ohgaki, Measurement of the temporal evolution of antiferromagnetic domain switching in nickel oxide driven by 2TO phonon mode excitation via pump-probe experiment, The 5th International Congress on Advanced Sciences and Engineering, Hotel Excelsior Liburnia, Lovran, Croatia, 2024.6.23-26

H. Ohgaki, LCS Gamma-ray Applications for Nuclear Physics Related Studies, Shanghai Laser Electron Gamma Source Seminar, Shanghai Synchrotron Radiation Facility, 2024.4.16

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