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Activities

Employment (4)

京都大学 / Kyoto University: 京都市左京区 / Sakyo, Kyoto, JP

2023-06-01 to present | 准教授 / Associate Professor (エネルギー理工学研究所 / Institute of Advanced Energy (IAE))
Employment
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Kyoto University

Institute of Advanced Energy, Kyoto University: Uji, Kyoto, JP

2011-07-01 to present | Assistant Professor
Employment
Source: Self-asserted source
Heishun Zen

京都大学 / Kyoto University: 京都市左京区 / Sakyo, Kyoto, JP

2011-07-01 to 2023-05-31 | 助教 / Assistant Professor (エネルギー理工学研究所 / Institute of Advanced Energy (IAE))
Employment
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Kyoto University

Institute for Molecular Science: Okazaki, Aichi, JP

2009-04-01 to 2011-06-30 | Assistant Professor (UVSOR)
Employment
Source: Self-asserted source
Heishun Zen

Works (20)

Measurement of x-ray bremsstrahlung radiation from high energy electrons by stochastic acceleration in Heliotron J

Review of Scientific Instruments
2025-03-01 | Journal article
Contributors: R. Yamato; S. Kobayashi; T. Fujita; K. Nagaoka; K. Nagasaki; S. Inagaki; T. Kawate; H. Ohgaki; T. Kii; H. Zen et al.
Source: check_circle
Crossref

A van der Waals porous crystal featuring conformational flexibility and permanent porosity for ultrafast water release

Communications Chemistry
2024-11-30 | Journal article
Contributors: Kentaro Maejima; Heishun Zen; Hiroyasu Sato; Eiji Nishibori; Tomoya Enjou; Youhei Takeda; Satoshi Minakata; Eri Hisamura; Ken Albrecht; Yuka Ikemoto et al.
Source: check_circle
Crossref

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
2024-11-01 | Journal article
Contributors: Ju Yoon Hnin Bo; Heishun Zen; Hideaki Ohgaki
Source: check_circle
Crossref

Beam characterization of mid-infrared free electron laser to drive high-harmonic generation

Japanese Journal of Applied Physics
2024-07-01 | Journal article
Contributors: Keigo Kawase; Heishun Zen; Takeshi Sakai; Yasushi Hayakawa; Hideaki Ohgaki; Ryoichi Hajima
Source: check_circle
Crossref

Breakdown of argon by a train of high-repetition long-wave-infrared pulses from a free-electron laser oscillator

Optics Express
2024-06-17 | Journal article
Contributors: Ryoichi Hajima; Keigo Kawase; James K. Koga; Heishun Zen; Hideaki Ohgaki
Source: check_circle
Crossref

Nonlinear compression of naturally down-chirped superradiance pulses from a free-electron laser oscillator by thick germanium plates

Optics Express
2023-11-20 | Journal article
Contributors: Heishun Zen; Ryoichi Hajima; Hideaki Ohgaki
Source: check_circle
Crossref

Generation of flat-laser Compton scattering γ -ray beam

Physical Review Accelerators and Beams
2023-09-22 | Journal article
Contributors: Hideaki Ohgaki; Khaled Ali; Toshiteru Kii; Heishun Zen; Takehito Hayakawa; Toshiyuki Shizuma; Masaki Fujimoto; Yoshitaka Taira
Source: check_circle
Crossref

The Particle-Tracking Simulation of a New Photocathode RF Gun in the Free-Electron Laser Facility, KU-FEL

Particles
2023-06-06 | Journal article
Contributors: Yuhao Zhao; Heishun Zen; Hideaki Ohgaki
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Measurement of the spatial polarization distribution of circularly polarized gamma rays produced by inverse Compton scattering

Physical Review A
2023-06-02 | Journal article
Contributors: Yoshitaka Taira; Shunsuke Endo; Shiori Kawamura; Taro Nambu; Mao Okuizumi; Toshiyuki Shizuma; Mohamed Omer; Heishun Zen; Yasuaki Okano; Masaaki Kitaguchi
Source: check_circle
Crossref

Corrigendum on “Record high extraction efficiency of free electron laser oscillator” [Appl. Phys. Express 13, 102007 (2020)]

Applied Physics Express
2023-06-01 | Journal article
Contributors: Heishun Zen; Hideaki Ohgaki; Ryoichi Hajima
Source: check_circle
Crossref

Degradation of Lignin by Infrared Free Electron Laser

Polymers
2022-06-14 | Journal article
Contributors: Takayasu Kawasaki; Heishun Zen; Takeshi Sakai; Yoske Sumitomo; Kyoko Nogami; Ken Hayakawa; Toyonari Yaji; Toshiaki Ohta; Takashi Nagata; Yasushi Hayakawa
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Peak Shift of Coherent Edge Radiation Spectrum Depending on Radio Frequency Field Phase of Accelerator

Applied Sciences
2022-01-10 | Journal article
Contributors: Norihiro Sei; Heishun Zen; Hideaki Ohgaki
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Fusion Visualization Technique to Improve a Three-Dimensional Isotope-Selective CT Image Based on Nuclear Resonance Fluorescence with a Gamma-CT Image

Applied Sciences
2021-12-14 | Journal article
Contributors: Khaled Ali; Heishun Zen; Hideaki Ohgaki; Toshiteru Kii; Takehito Hayakawa; Toshiyuki Shizuma; Masahiro Katoh; Yoshitaka Taira; Masaki Fujimoto; Hiroyuki Toyokawa
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Study of the origin of the complex beam profile of a hole-coupled free electron laser oscillator

Journal of the Optical Society of America A
2021-11-01 | Journal article
Contributors: Heishun Zen; Hideaki Ohgaki
Source: check_circle
Crossref

Mode-selective excitation of an infrared-inactive phonon mode in diamond using mid-infrared free electron laser

Japanese Journal of Applied Physics
2021-10-01 | Journal article
Contributors: Rei Akasegawa; Heishun Zen; Kan Hachiya; Kyohei Yoshida; Takuya Goto; Takashi Sagawa; Hideaki Ohgaki
Source: check_circle
Crossref

Three-Dimensional Nondestructive Isotope-Selective Tomographic Imaging of 208Pb Distribution via Nuclear Resonance Fluorescence

Applied Sciences
2021-04-10 | Journal article
Contributors: Khaled Ali; Heishun Zen; Hideaki Ohgaki; Toshiteru Kii; Takehito Hayakawa; Toshiyuki Shizuma; Hiroyuki Toyokawa; Masaki Fujimoto; Yoshitaka Taira; Masahiro Katoh
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Record high extraction efficiency of free electron laser oscillator

Applied Physics Express
2020-10-01 | Journal article
Contributors: Heishun Zen; Hideaki Ohgaki; Ryoichi Hajima
Source: check_circle
Crossref

Selective Isotope CT Imaging Based on Nuclear Resonance Fluorescence Transmission Method

IEEE Transactions on Nuclear Science
2020-08 | Journal article
Contributors: Khaled Ali; Hideaki Ohgaki; Heishun Zen; Toshiteru Kii; Takehito Hayakawa; Toshiyuki Shizuma; Hiroyuki Toyokawa; Yoshitaka Taira; Violeta Iancu; Gabriel Turturica et al.
Source: check_circle
Crossref

Visualizing cation vacancies in Ce:Gd3Al2Ga3O12 scintillators by gamma-ray-induced positron annihilation lifetime spectroscopy

Applied Physics Express
2020-08-01 | Journal article
Contributors: Kosuke Fujimori; Mamoru Kitaura; Yoshitaka Taira; Masaki Fujimoto; Heishun Zen; Shinta Watanabe; Kei Kamada; Yasuaki Okano; Masahiro Katoh; Masahito Hosaka et al.
Source: check_circle
Crossref

High-extraction-efficiency operation of a midinfrared free electron laser enabled by dynamic cavity desynchronization

Physical Review Accelerators and Beams
2020-07-06 | Journal article
Contributors: Heishun Zen; Hideaki Ohgaki; Ryoichi Hajima
Source: check_circle
Crossref

Peer review (5 reviews for 3 publications/grants)

Review activity for Nuclear engineering and technology. (2)
Review activity for Results in physics. (2)
Review activity for Review of scientific instruments online. (1)