Actively Q-switched self-frequency-doubled Yb:YCOB green laser with output power of a dozen watts

被引：3
|
作者：
Du, Jinheng [1 ,2 ]
Chen, Xiufang [1 ,2 ]
Yu, Haohai [1 ]
Zhang, Huaijin [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Inst Crystal Mat, 27 Shanda Nanlu, Jinan 250100, Peoples R China
[2] Shandong Univ, Inst Novel Semicond, Jinan 250100, Peoples R China
来源：
OPTICS LETTERS | 2023年 / 48卷 / 19期
基金：
中国国家自然科学基金;
关键词：
CONTINUOUS-WAVE; NM; MJ;
D O I：
10.1364/OL.502150
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode laser (LD) end-pumped acousto-optic Q switched self-frequency-doubled (SFD) Yb:YCa4O(BO3)3 (Yb:YCOB) pulsed green laser was realized for the first time (to our knowledge), with a maximum average output power of 11.6 W and an optical conversion efficiency of 30.0% from the LD to SFD lasers. The wavelength of the SFD lasers was controlled to be 507 nm for improving quantum efficiency up to 96% and reducing thermal effects. The repetition rates ranged from 20 to 500 kHz, and the maximum pulse energy was 312.0 mu J with a peak power of 4.78 kW at a repetition rate of 20 kHz. This work represents the highest output power in the SFD pulsed lasers and provides an efficient and compact way to generate high-power pulsed green lasers that should have important applications in many aspects, such as ultraviolet (UV) laser generation, laser display, and medical, military, and scientific research. (c) 2023 Optica Publishing Group
引用
收藏
页码：4969 / 4972
页数：4
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