Keisuke Sota, Kota Ando, Heishun Zen, Toshiteru Kii, Hideaki Ohgaki, Takashi 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 & Laser Technology. 2024. 175. 110853-110853
R Hajima, K Kawase, H Zen, H Ohgaki. Carrier-envelope phase stabilization in FEL oscillators. Journal of Physics: Conference Series. 2024. 2687. 3. 032013-032013
Heishun Zen, Ryoichi Hajima, Hideaki Ohgaki. Nonlinear compression of naturally down-chirped superradiance pulses from a free-electron laser oscillator by thick germanium plates. Optics Express. 2023. 31. 24. 40928-40928
Yuhao Zhao, Heishun Zen, Hideaki Ohgaki. The Particle-Tracking Simulation of a New Photocathode RF Gun in the Free-Electron Laser Facility, KU-FEL. Particles. 2023
Ryoichi Hajima, Ryoji Nagai, Keigo Kawase, Hideaki Ohgaki, Heishun Zen, Yasushi Hayakawa, Takeshi Sakai, Yoske Sumitomo, Miho Shimada, Tsukasa Miyajima. Research and Development of Attosecond VUV and X-ray Sources Driven by Mid-Infrared FEL Oscillators. OSA High-brightness Sources and Light-driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS). 2020. EF1A.4
RE Implementation: Study on Rural Electrification in ASEAN
(The 8th JASTIP-WP2 Annual Workshop 2023)
Flat Laser Compton Gamma-ray Beam Generation in UVSOR
(15th Eco-Energy and Materials Science and Engineering Symposium 2022)
Panel Discussion: Electronics and Automotive
(Cambodia Tech Expo 2022 2022)
Environment-friendly water treatment by fine bubbles
(COP27 Japan Pavilion Seminar 2022)
Few cycle pulse generation from a high effciency free-electron laser oscillator operated in superradiance regime
(11th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources 2022)
資源エネルギー学会
, 研究・イノベーション学会
, 日本加速器学会
, 日本放射光学会
, 日本原子力学会
, 日本物理学会
, Japan Accelerator Society
, Japan Synchrotron Radiation Scoiety
, Japan Atomic Energy Society
, Japan Physical Society
, 日本赤外線学会
, IEEE