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Development of a high average current thermionic injector for an Energy Recovery Linac
Steven H.Gold
2017-08-07
影音类型视频
关键词创新论坛 274期
英文摘要
Most FEL systems use injectors based on laser-excited photocathodes to produce the high electron beam quality and short electron bunch length that are required, but the technology is complicated and expensive, and also imposes limits on the average current of the electron beam. An alternative is to develop injectors based on thermionic electron gun technology, which is robust, has a long lifetime, and can readily generate very high beam currents. Such thermionic injectors may have significant advantages for high power FELs at infrared wavelengths, provided that they can satisfy the bunch length and beam quality constraints imposed by the application. This lecture will present a brief introduction to ERL-based FEL systems, and discuss some of the basic principles of rf acceleration and thermionic electron gun design. Following this, it will focus on a recent program to develop a high-current electron injector operating at 714 MHz based on a gridded thermionic electron gun.
 
语种英语
文献类型影音
条目标识符http://ir.ihep.ac.cn/handle/311005/261104
专题管理与技术支持_多媒体_科技创新论坛
作者单位US Naval Research Laboratory
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Steven H.Gold. Development of a high average current thermionic injector for an Energy Recovery Linac[Z] .2017.
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274.pptx(26173KB)演示报告 限制开放CC BY-NC-SA请求全文
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