Passively Mode-Locked Femtosecond Laser with Disordered Crystal Nd:CGA as Gain Medium

被引：5
作者：
He, Kun-Na [1 ,2 ]
Liu, Jia-Xing [2 ]
Tian, Wen-Long [2 ]
Shen, Zhong-Wei [3 ]
Xu, Xiao-Dong [4 ]
Wang, Zhao-Hua [2 ]
Li, De-Hua [2 ]
Xu, Jun [5 ]
Di, Ju-Qing [6 ]
Xia, Chang-Tai [6 ]
Wei, Zhi-Yi [2 ]
机构：
[1] China Agr Univ, Coll Sci, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[3] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[4] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China
[5] Tongji Univ, Sch Phys Sci & Engn, Inst Adv Study, Shanghai 200092, Peoples R China
[6] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2016年 / 33卷 / 09期
基金：
中国国家自然科学基金;
关键词：
GENERATION; PULSES;
D O I：
10.1088/0256-307X/33/9/094204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a laser-diode-pumped passively mode-locked femtosecond disordered crystal laser by using Nd:CaGdAlO4 (Nd:CGA) as the gain medium. With a pair of SF6 prisms to control the dispersion compensation, laser pulses as short as 850 fs at 1079nm are obtained with a repetition rate of 124.6 MHz. The measured threshold pump power is 1.45 W. A maximum average output power of 122 mW is obtained under the pump power of 5.9 W. These results show that Nd:CGA could be a promising laser medium for generating femtosecond ultrashort pulse at about 1 mu m.
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页数：4
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