Design, fabrication and first beam tests of the C-band RF acceleration unit at SINAP

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• 作者：Wencheng Fang^a ; Qiang Gu^a ; Xing Sheng^c ; Chaopeng Wang^a ; Dechun Tong^b ; Lifang Chen^c ; Shaopeng Zhong^a ; Jianhao Tan^a ; Guoqiang Lin^a ; Zhihao Chen^a ; Zhentang Zhao^a ; ^{zhaozt@sinap.ac.cn" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Compact FEL ; C-band ; High gradient ; Accelerating structure ; High power test ; Beam test
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2016
• 出版时间：1 July 2016
• 年：2016
• 卷：823
• 期：Complete
• 页码：91-97
• 全文大小：2174 K

文摘

C-band RF acceleration is a crucial technology for the compact Free Electron Laser (FEL) facility at the Shanghai Institute of Applied Physics (SINAP), Chinese Academy of Sciences. A project focusing on C-band RF acceleration technology was launched in 2008, based on high-gradient accelerating structures powered by klystron and pulse compressor units. The target accelerating gradient is 40 MV/m or higher. Recently one prototype of C-band RF unit, consisting of a 1.8 m accelerating structure and a klystron with a TE0115 mode pulse compressor, has been tested with high-power and electron beam. Stable operation at 40 MV/m was demonstrated and, 50 MV/m approached by the end of the test. This paper introduces the C-band R&D program at SINAP and presents the experiment results of high-power and beam tests.