High-power linearly polarized diode-side-pumped a-cut Nd: GdVO4 rod laser

被引：0
作者：
Li, Xiaowen [1 ]
Qian, Jianqiang [1 ]
Zhang, Baitao [2 ]
机构：
[1] Beihang Univ, Dept Appl Phys, Minist Educ, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100191, Peoples R China
[2] Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2017年 / 123卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Pump Power; Output Coupler; Pulse Repetition Frequency; Average Output Power; Slope Efficiency;
D O I：
10.1007/s00340-017-6656-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficiently high-power diode-side-pumped Nd: GdVO4 rod laser system was successfully demon-strated, operating in continuous wave (CW) and acousto-optically (AO) Q-switched regime. With a 65 mm-long a-cut Nd: GdVO4 crystal, a maximum linearly polarized CW output power of 60 W at 1063.2 nm was obtained under an absorbed pump power of 180 W, corresponding to a slope efficiency of 50.6%. The output laser beam was linearly polarized with a degree of polarization of 98%. In AO Q-switched operation, the highest output power, minimum pulse width, and highest peak power were achieved to be 42 W, 36 ns, and 58 kW at the pulse repetition frequency of 20 kHz.
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页数：4
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