科研之友
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摘要
We are developing a prototype free electron laser that is compact, low cost, and low power. The design, setup, and results of a novel X-band rectangular waveguide prebunched free electron laser (PEEL) are presented in this article. Our initial device operates at 10 GHz and uses two rectangular wave guide cavities (one for velocity modulation and the other for energy extraction). The electron beam used in this experiment is produced by thermionic electron gun, which operates at 3 kV and up to 50 mu A. The nominal beam diameter is 1 mm passing across the X-band cavity resonators. The resonant cavity consists of a thin gap section of height 1.5 mm, which reduces the beam energy required for beam wave interaction.
- 出版日期2010-11
