High power tests of first input couplers for cornell erl injector cavities

High power tests of first input couplers for cornell erl injector cavities
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DOI：
10.1109/pac.2007.4441248
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发表时间：
2007-06
期刊：
2007 IEEE Particle Accelerator Conference (PAC)
影响因子：
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通讯作者：
V. Veshcherevich;S. Belomestnykh;P. Quigley;J. Reilly;J. Sears;W. Moller
V. Veshcherevich;S. Belomestnykh;P. Quigley;J. Reilly;J. Sears;W. Moller
中科院分区：
其他
文献类型：
--
作者：
V. Veshcherevich;S. Belomestnykh;P. Quigley;J. Reilly;J. Sears;W. Moller

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目前康奈尔大学正在建设中的ERL注入器的前两个射频功率耦合器已经制造完成。耦合器被组装在液氮冷冻装置中，该装置是为他们的测试而建造的。一台15千瓦的连续物联网发射机可用于耦合器测试。谐振环被用来额外增加功率。该耦合器已成功测试达到50kW CW的目标功率水平。然而，第一对车钩在某些点上出现了过高的温升。因此，在设计上做了一些微小的改变，以改善冷却效果。
The first two RF power couplers for the ERL injector, currently under construction at Cornell University, have been fabricated. The couplers were assembled in the liquid nitrogen cryostat, built for their tests. A 15 kW CW IOT transmitter was available for coupler tests. A resonant ring was used for an additional increase of power. The couplers were successfully tested up to the goal power level of 50 kW CW. However, the first pair of couplers showed an excessive temperature rise at some points. Therefore, minor changes in the design have been done to improve cooling.