Efficient continuous-wave and passively Q-switched lasers based on disordered Nd:Ca0.7La0.3Al12O19 crystals

被引：3
|
作者：
Zong, Mengyu [1 ,2 ]
Zhang, Zhongmian [1 ,2 ]
Feng, Xiaoyue [1 ,2 ]
Zhao, Mengfei [1 ,2 ]
Liu, Jie [1 ,2 ]
Xu, Xiaodong [3 ]
机构：
[1] Shandong Normal Univ, Shandong Prov Engn & Tech Ctr Light Manipulat, Sch Phys & Elect, Jinan 250358, Peoples R China
[2] Shandong Normal Univ, Shandong Prov Key Lab Opt & Phoron Device, Sch Phys & Elect, Jinan 250358, Peoples R China
[3] Jiangsu Normal Univ, Jiangsu Key Lab Adv Laser Mat & Devices, Sch Phys & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2020年 / 125卷 / 125期
基金：
中国国家自然科学基金;
关键词：
Nd3+:Ca0.7La0.3Al12O19 crystal laser; Diode-pump; Continuous-wave; Passively Q-switched; C-CUT; HIGH-POWER; SATURABLE ABSORBER; A-CUT; OPERATION; NM; GENERATION; OUTPUT;
D O I：
10.1016/j.optlastec.2019.106022
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new neodymium-doped (Nd3+-doped) Ca0.7La0.3Al12O19 (Nd:CLA) disordered crystal was successfully grown by the Czochralski method. The performance of diode-pumped Nd:CLA (a-cut and c-cut) lasers was demonstrated for the first time. For the c-cut crystal continuous-wave (CW) operation, we obtained the highest output power of 2.08 W at the wavelength of 1053.2 nm, and the slope efficiency was 23% versus the incident pump power. By inserting a Cr4+:YAG absorber, we successfully achieved a passively Q-switched laser, and the shortest pulse width was 18.36 ns with a peak power of 364.6 W. Compared with a-cut crystal, c-cut crystal has superior laser characteristics.
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页数：5
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