A Novel 1,066 nm Nd:Gd0.69Y0.3NbO4 Passively Q-Switched Pulse-Burst Laser

被引：0
作者：
Li, Xudong [1 ,2 ]
Xu, Guichuan [2 ]
Yan, Renpeng [1 ,2 ]
Liu, Zhixiang [3 ]
Wen, Xiaolin [3 ]
Wu, Wentao [2 ]
Ma, Yufei [2 ]
Peng, Fang [4 ]
Zhang, Qingli [4 ]
Dou, Renqin [4 ]
Zhou, Zhongxiang [1 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150080, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150080, Heilongjiang, Peoples R China
[3] Shenzhen Aerosp Ind Technol Res Inst, Shenzhen 518000, Peoples R China
[4] Chinese Acad Sci, Key Lab Photon Devices & Mat, Anhui Inst Opt & Fine Mech, Hefei 230031, Anhui, Peoples R China
来源：
JOURNAL OF RUSSIAN LASER RESEARCH | 2018年 / 39卷 / 06期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Nd:Gd0; 69Y0; 3NbO(4); burst mode; passive Q-switching; direct pump; MW PEAK POWER; ND-GDVO4; LASER; OPERATION;
D O I：
10.1007/s10946-018-9759-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate for the first time a Cr4+:YAG passively Q-switched 1066 nm pulse-burst laser under 879 nm direct pump with a novel Nd:Gd0.69Y0.3NbO4 crystal. The output laser characteristics with different pump repetition rates and different Cr4+:YAG initial transmission are studied. Without the Cr4+:YAG, we obtain a maximum output energy of 2.55 mJ at an absorbed pump energy of 5.79 mJ with the highest 48% slope efficiency. The pulse-burst laser contains a maximum of 7 pulses for a Cr4+:YAG initial transmission of 55% and a pump repetition rate of 1 kHz. The single-pulse energy and narrowest pulse width reach 160 J and 5.5 ns at 38.2 kHz, with a peak power of 32 kW.
引用
收藏
页码：613 / 619
页数：7
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