Compression Effect of Ultrashort Pulse in Far Infrared Waveguide Free Electron Laser
HU Suxing, FU Ensheng
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai 201800
Compression Effect of Ultrashort Pulse in Far Infrared Waveguide Free Electron Laser
HU Suxing;FU Ensheng
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai 201800
关键词 ：
41.60.Cr ,
42.65.Re
Abstract ： Compression mechanism of ultrashort pulse in far infrared waveguide free electron laser driven by radio frequency linear accelerator was investigated. With a pertinent waveguide gap b, when the original phase velocity of the electron bunch ensures the positive gain and the refractivity of the optical pulse monotone increasing along the dative slip distance, the longitudinal length of optical pulse will be continuously shortened so that the pulse power increases quickly until saturation occurs. To offset the "lethargy" effect, an optimal cavity detuning ΔLc has been accurately determined.
Key words ：
41.60.Cr
42.65.Re
出版日期: 1995-12-01
:
41.60.Cr
(Free-electron lasers)
42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
引用本文:
HU Suxing;FU Ensheng. Compression Effect of Ultrashort Pulse in Far Infrared Waveguide Free Electron Laser[J]. 中国物理快报, 1995, 12(12): 720-723.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1995/V12/I12/720
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1995, Vol. 12 
