Analysis of the Double-Slab Type Cherenkov Free-Electron Laser Resonator

Autor:	Takahiro Kimura, Makoto Asakawa, Takumi Sano, Soichiro Yamaguchi, Naoya D. Munemoto, Hiroya Yoshida
Rok vydání:	2014
Předmět:	Physics Materials science Computer Networks and Communications business.industry Terahertz radiation Applied Mathematics Free-electron laser Physics::Optics General Physics and Astronomy Laser law.invention Resonator Optics law Optical cavity Signal Processing Cathode ray Optoelectronics Electrical and Electronic Engineering business Saturation (magnetic) Cherenkov radiation
Zdroj:	Electronics and Communications in Japan. 97:16-23
ISSN:	1942-9533
DOI:	10.1002/ecj.11554
Popis:	SUMMARY A compact Cherenkov free-electron laser operating in the terahertz spectral range is being developed. Analysis of the double-slab type optical resonator has clarified the resonant frequency, the small signal gain, and the saturation power of the device. One-dimensional simulation code predicted a small signal gain of 6% with a 50 kV/3.6 mA electron beam. The saturation power was estimated to be 90 mW. The out-coupling structure of the resonator was designed using 3D simulation code. A transmittivity of 3.0% and a spread angle of 0.4 rad were predicted.
Databáze:	OpenAIRE
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