Development of a polarized electron gun based on an S-band PWT photoinjector

被引：0
|
作者：
Yu, D [1 ]
Newsham, D [1 ]
Luo, Y [1 ]
Smirnov, A [1 ]
Clendenin, J [1 ]
Schultz, D [1 ]
机构：
[1] DULY Res Inc, Rancho Palos Verdes, CA 90275 USA
来源：
PROCEEDINGS OF THE 2003 PARTICLE ACCELERATOR CONFERENCE, VOLS 1-5 | 2003年
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D O I：
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中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
An RF polarized electron gun utilizing the unique features of an integrated, plane-wave-transformer (PWT) photoelectron injector [1] is being developed by DULY Research Inc. in collaboration with SLAC. Modifications to a DULY S-band device [2] include: a re-design of the photocathode/RF backplane interface to accommodate a GaAs cathode; change in the design of the vacuum ports to provide 10(-11) Torr operation; the inclusion of a load-lock photocathode replacement system to allow for reactivation and cesiation of the GaAs photocathode in a vacuum; and alteration of the magnet field coils to make room for the load-lock. The use of a stainless steel outer tank and cooling rods without copper plating may also provide better vacuum performance at the expense of diminished Q-factor. The effectiveness of both the standard cooling rods and synthetic diamond heat sinks for disk cooling is investigated for future linear collider applications operating at a rep rate of 180 Hz and a bunch charge of 2 nC.
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页码：2129 / 2131
页数：3
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