Eur. Phys. J. Appl. Phys.
Volume 37, Number 2, February 2007
|Page(s)||169 - 173|
|Section||Laser and Optics|
|Published online||17 January 2007|
Free electron laser with curved parallel plate waveguide
School of Physics Science and Information Engineering, Liaocheng
University, Liaocheng, Shandong, 252059, China
2 Institute of Electronics, Chinese Academy of sciences, Beijing, 100080, China
3 Institute of High Energy Electronics University of Electronic Science and Technology, Chengdu, Sichuan, 610054, China
Corresponding author: firstname.lastname@example.org
Revised: 6 October 2006
Accepted: 23 October 2006
Published online: 17 January 2007
A free electron laser (FEL) amplifier with a curved parallel plate waveguide and a planar wiggler is presented. A set of operating equations for this FEL amplifier is derived by using the three-dimensional nonlinear theory. The characteristics including the evolution of power, efficiency and bandwidth of the FEL operating at the frequency of 94 GHz are numerically analyzed. The effects of electron energy spread and wiggler taper on saturation efficiency are also studied.
PACS: 07.57.-c – Infrared, submillimeter wave, microwave and radiowave instruments and equipment / 41.60.Cr – Free-electron lasers / 52.59.Rz – Free-electron devices
© EDP Sciences, 2007
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