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Optical Engineering

Improved optical cavity quality of a waveguide free-electron laser with hole coupling by using a grating
Author(s): Xiaojian Shu; Yuanzhang Wang; Yunqing Jiang; Yu-kun Ho
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Paper Abstract

A method is proposed to improve the quality of a hole- coupled resonator for a free-electron laser (FEL) oscillator. By using a mesh or grating with a moderate reflectivity to cover the hole, the optical cavity Q can be effectively improved, as is confirmed by three-dimension numerical simulations. The potentiality of the mesh as an electron- transparent mirror to make the FEL device more compact and less expensive is discussed.

Paper Details

Date Published: 1 June 2000
PDF: 5 pages
Opt. Eng. 39(6) doi: 10.1117/1.602527
Published in: Optical Engineering Volume 39, Issue 6
Show Author Affiliations
Xiaojian Shu, Institute of Applied Physics & Computational Math (China)
Yuanzhang Wang, Institute of Applied Physics & Computational Math (China)
Yunqing Jiang, Institute of Applied Physics & Computational Math (China)
Yu-kun Ho, Fudan Univ. (China)

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