C波段高梯度加速结构样机研制  

Development of a C-band High Gradient Accelerating Structure Prototype

作　　者：陈丽芳[1] 方文程[3] 童德春[2] 王麟[1] 盛兴[1] CHEN Li-fang;FANG Wen-cheng;TONG De-chun;WANG Lin;SHENG Xing(Beijing Vacuum Electronics Research Institute,Beijing 100015,China;Tsinghua University,Beijing 100084,China;Shanghai Instititue of Applied Physics,Chinese Academy of Sciences,Shanghai 201204,China)

机构地区：[1]北京真空电子技术研究所,北京100015 [2]清华大学,北京100084 [3]中国科学院上海应用物理研究所,上海201204

出　　处：《真空电子技术》2024年第3期76-79,98,共5页Vacuum Electronics

摘　　要：本文介绍了C波段高梯度加速结构研制的内容,通过采用低群速度、4π/5工作模式、等梯度结构、拱形腔和大束流孔径设计方法、创造性的内水冷可调谐腔体结构、悬挂式焊接方法等技术,实现了国内第一支C波段高梯度加速结构段的工程应用,在束流试验中获得了50.8 MV/m的世界最高C波段带束加速梯度。The development of a C-band high gradient acceleration structure is introduced.Through the use of low group velocity,4π/5 working mode,equal gradient structure,arched cavity and large beam aperture,creative internal water-cooled tunable cavity structure,suspension welding method and other technologies,the engineering application of the first C-band high gradient acceleration structure section in China is achieved.A C-band accelerating gradient of 50.8 MV/m is achieved in beam tests,which is the highest in the world.

关 键 词：自由电子激光装置 C波段 高梯度 加速结构 

分 类 号：TN14[电子电信—物理电子学]