Welcome to Heishun Zen's Homepage

Heishun Zen

Associate Professor, Institute of Advanced Energy, Kyoto University 

Address : Gokasho, Uji, Kyoto 611-0011, Japan

Mail : zen(at)iae.kyoto-u.ac.jp     please replace (at) with @.

Research Interest :

• • Free Electron Laser

  • Quantum Beam Generation (Electron Beam, Laser, Gamma-ray)

  • Electron Accelerator (RF gun, Linac, Synchrotron)

  • Electron Beam Diagnostics

  • Inverse Problem

Selected Latest Papers :

Nov. 19th 2023: Nonlinear compression of naturally down-chirped superradiance pulses from a free-electron laser oscillator by thick germanium plates

Apr. 18th 2023: Full characterization of superradiant pulses generated from a free-electron laser oscillator

Dec. 14th 2021: Fusion Visualization Technique to Improve a Three-Dimensional Isotope-Selective CT Image Based on Nuclear Resonance Fluorescence with a Gamma-CT image

  Oct. 20th 2021: Study of the origin of the complex beam profile of a hole-coupled free electron laser oscillator        

Press Release :

• Investigating the Laser-Induced Periodic Surface Structure (LIPSS) on Silicon

• Record High Efficiency of Free Electron Laser Oscillator, Contributing to Strong Field Physics in LWIR (in Japanese) 

• Towards a Green Future: Efficient Laser Technique Can Convert Cellulose into Biofuel

• First Direct Observation of Selective Phonon Excitation by Mid Infrared Laser (in Japanese)