Amplified spontaneous emission contrast of CPA laser

被引：12
|
作者：
Xu, Yi [1 ]
Leng, Yuxin [1 ]
Lin, Lihuang [1 ]
Wang, Wenyao [1 ]
Huang, Yansui [1 ]
Li, Ruxin [1 ]
Xu, Zhizhan [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2010年 / 8卷 / 01期
关键词：
PULSES; GENERATION;
D O I：
10.3788/COL2010801.0123
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The influence on the level of amplified spontaneous emission (ASE) contrast resulting from the different seed pulse energies has been experimentally studied in a 10-TW-level femtosecond Ti:sapphire chirped pulse amplification laser. It is found that, with the seed pulse energy increasing, the ASE pedestal is suppressed more efficiently, and the ASE contrast is improved with a saturable tendency. The measurement of similar to 2x10(-8) ASE contrast in the range of more than 50 ps before the main pulse is achieved in the laser.
引用
收藏
页码：123 / 125
页数：3
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