Power tests of a PLD film Mg photocathode in a RF gun

被引：0
|
作者：
Gatti, G. [1 ]
Cultrera, L. [1 ]
Tazzioli, F. [1 ]
Musumeci, P. [3 ]
Moody, J. [3 ]
Perrone, A. [2 ]
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy
[2] Ist Nazl Fis Nucl, Univ Lecce, Milan, Italy
[3] Univ Calif Los Angeles, Los Angeles, CA USA
来源：
2007 IEEE PARTICLE ACCELERATOR CONFERENCE, VOLS 1-11 | 2007年
关键词：
D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Metallic film photo-cathodes are rugged, have a fast response and good emission uniformity. Mg has also a relevant Quantum Efficiency (QE) in the near UV. A cathode suitable for a 1.5 cells S-band RF gun has been produced by depositing an Mg film on Cu by Pulsed Laser Deposition (PLD) technique. After different optimizations, stable good results have been reached in the low field measurement scenario. A sample was deposited on a gun flange and tested in the 1.6 cell injector at UCLA Pegasus facility to prove cathode resistance in a high field environment. The results are described.
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页码：3194 / +
页数：2
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