Zhong Hui, Yang Ziqiang, Liang Zheng. PIC Simulation of a Coaxial Free Electron Laser Amplifier[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(2): 146-148.
Citation: Zhong Hui, Yang Ziqiang, Liang Zheng. PIC Simulation of a Coaxial Free Electron Laser Amplifier[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(2): 146-148.
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PIC Simulation of a Coaxial Free Electron Laser Amplifier

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  • A coaxial hybrid wiggler free-electron laser(FEL) amplifier with and without plasma filling is studied by a method of PIC simulation in this paper. The results show that signal in FEL amplifier with a coaxial hybrid wiggler can get an efficient amplification even at a low voltage of 205 kV. The efficiency of the amplifier is upto 27.5% and the saturation power arrives to a MW level. Plasma has some beneficial effects on the characteristics of the FEL amplifier, for example, it can improve the characteristic of electron beam transmission.
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