Studies of circular-polarized ion channel laser with axial guiding magnetic field

Pu-Kun Liu; Cai-Dong Xiong; Chang-Jian Tang

doi:10.1117/12.253291

30 September 1996 Circular-polarized ion channel laser with axial guiding magnetic field

Pu-Kun Liu, Cai-Dong Xiong, Chang-Jian Tang

Proceedings Volume 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers; (1996) https://doi.org/10.1117/12.253291
Event: Photonics China '96, 1996, Beijing, China

Abstract

The ion-channel laser (ICL), which make use of an electromagnetic instability of an ion-focused relativistic electron beam, is a new form of free-electron laser. In this paper, we introduce a cyclotron electron beam into the ion channel and study the circular polarized ion-channel laser (CPICL) with an axial guiding magnetic field. Using 3D fluid theory, the dispersion relation of the CPICL has been derived. A new kind of radiation mode-ion electrostatic gyro-penitron mode--is found, and the growth rate of this new mode has been obtained for the first time. The effect of axial guiding magnetic field on CPICL is also investigated.

Citation Download Citation

Pu-Kun Liu, Cai-Dong Xiong, and Chang-Jian Tang "Circular-polarized ion channel laser with axial guiding magnetic field", Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); https://doi.org/10.1117/12.253291

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