| 北京大学光阴极注入器3+1/2超导腔机械性能 |
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| 引用本文： | 朱凤,全胜文,徐文灿,赵夔. 北京大学光阴极注入器3+1/2超导腔机械性能[J]. 强激光与粒子束, 2007, 19(8): 1361-1364 |
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| 作者姓名： | 朱凤 全胜文 徐文灿 赵夔 |
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| 作者单位： | 北京大学 重离子物理研究所, 北京100871 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 介绍了北京大学光阴极注入器的核心部件3+1/2超导腔的机械性能的设计，通过ANSYS和SUPERFISH程序优化加强筋的个数和位置，解决了超导腔在脉冲条件下由于洛仑兹力引起的超导腔失谐以及当超导腔进行低温调谐时场平滑度变化过大的问题，同时针对复杂超导腔结构进行了低温调谐结构的设计。
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| 关 键 词： | 超导腔 光阴极注入器 洛仑兹力失谐 调谐结构 |
| 文章编号： | 1001-4322（2007）08-1361-04 |
| 收稿时间： | 2007-01-11 |
| 修稿时间： | 2007-01-11 |
Mechanical properties of 3+1/2 cavity of PKU photo-injector |
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| ZHU Feng,QUAN Sheng-wen,XU Wen-can,ZHAO Kui. Mechanical properties of 3+1/2 cavity of PKU photo-injector[J]. High Power Laser and Particle Beams, 2007, 19(8): 1361-1364 |
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| Authors: | ZHU Feng QUAN Sheng-wen XU Wen-can ZHAO Kui |
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| Affiliation: | Institute of Heavy Ion Physics, Peking University, Beijing 100871, China |
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| Abstract: | The mechanical properties of the main part of PKU photo-injector(3 1/2 cavity) are introduced.By optimizing the number and position of the stiff rings of the cavity with ANSYS and SUPERFISH code,the Lorentz force detuning problem when the cavity worked at pulsed mode and the "flat" field profile problem when the cavity was tuned at low temperature were solved.Besides,a tuner with a room temperature motor and a gear box for the cavity to work at the right frequency under 2 K circumstance was designed. |
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| Keywords: | Superconducting cavity Photo-injector Lorentz force detuning Tuner |
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