Paper
28 October 1996 Analysis of an electromagnetically pumped free-electron laser with a tapered guide magnetic field
Yong-Gui Liu, S. K. Zhang, Chanlu Li
Author Affiliations +
Abstract
In this paper an electromagnetically pumped free-electron- laser (FEL) with a tampered guide magnetic field is investigated by solving the Vlasov-Maxwell equations. The linear and nonlinear dispersion relations are derived. The nonlinear dispersion relation is solved to obtain the growth rate of the FEL. The energy conversion efficiency is estimated. The results show that the growth rate and the energy conversion efficiency for this kind of FEL may be obviously enhanced by adding a tapered guide magnetic field properly.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yong-Gui Liu, S. K. Zhang, and Chanlu Li "Analysis of an electromagnetically pumped free-electron laser with a tapered guide magnetic field", Proc. SPIE 2843, Intense Microwave Pulses IV, (28 October 1996); https://doi.org/10.1117/12.255389
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KEYWORDS
Magnetism

Free electron lasers

Energy conversion efficiency

Electromagnetism

Osmium

Applied physics

Defense technologies

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