Interaction of femtosecond laser pulses with metal photocathode

被引：0
|
作者：
Liu, YQ [1 ]
Zhang, J [1 ]
Liang, WX [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Key Lab Opt Phys, Beijing 100080, Peoples R China
来源：
CHINESE PHYSICS | 2005年 / 14卷 / 08期
关键词：
femtosecond laser; photocathode; ultrashort electron pulse time resolved electron microscopy;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The features of interaction of femtosecond laser pulses with photocathode are studied theoretically in this paper. The surface temperature of the metal cathode film while femtosecond laser pulses irradiation is studied with two-temperature model. With a simple photoelectric model we obtain the optimum metal film thickness for the back-illuminated photocathode. The generated ultrashort photocurrent pulses are strongly dependent on the temperature of the electron gas and the lattice during the femtosecond laser pulse irradiation on the photocathode.
引用
收藏
页码：1671 / 1675
页数：5
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