LIMIT-CYCLE-LIKE OSCILLATION CAUSED BY WAVELENGTH STABILIZATION FEEDBACK IN A FREE-ELECTRON LASER

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2001, Vol. 18 ›› Issue (1): 64-66.

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LIMIT-CYCLE-LIKE OSCILLATION CAUSED BY WAVELENGTH STABILIZATION FEEDBACK IN A FREE-ELECTRON LASER

WANG Zun-wei¹, SHU Xiao-jian²

1. Department of Physics, Huangshan College, Huangshan 245021, P R China;
2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, P R China

Received:1999-09-01 Revised:2000-01-24 Online:2001-01-25 Published:2001-01-25

Abstract

Abstract: A new kind of osciiiations caused by waveiength stabiiization feedback ioop is investigated.The resuits of 1D numericai simuiations confirm the moduiations of the eiectron energy and FEL power, and the caicuiated moduiation freguency and depth are in good agreement with the experiments.It is found that the freguency creep caused by superradiance usuaiiy resuits in this kind of iimit-cycie-iike osciiiations.

Key words: free-eiectron iaser, feedback, freguency creep, limit-cycie osciiiation, superradiance

CLC Number:

TL612
O532

WANG Zun-wei, SHU Xiao-jian. LIMIT-CYCLE-LIKE OSCILLATION CAUSED BY WAVELENGTH STABILIZATION FEEDBACK IN A FREE-ELECTRON LASER[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2001, 18(1): 64-66.

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LIMIT-CYCLE-LIKE OSCILLATION CAUSED BY WAVELENGTH STABILIZATION FEEDBACK IN A FREE-ELECTRON LASER

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