High-power mid-infrared ZGP optical parametric oscillator directly pumped by pulsed Tm:YLF laser at 1908 nm

被引：15

作者：

Wei, Xingbin ^{[1
]}

Zhang, Song ^{[1
,2
]}

Liu, Zhengyi ^{[1
,2
]}

Ye, Xianlin ^{[1
,3
]}

Yin, Wenlong ^{[4
]}

Ren, Huaijin ^{[1
]}

Kang, Bin ^{[4
]}

Yuan, Zerui ^{[4
]}

Wang, Weimin ^{[1
]}

Ma, Yi ^{[1
]}

机构：

[1] China Acad Engn Phys, Inst Appl Elect, POB 919-1013, Mianyang 621900, Sichuan, Peoples R China

[2] China Acad Engn Phys, Grad Sch, Mianshan Rd 64, Mianyang 621900, Sichuan, Peoples R China

[3] Sichuan Univ, Coll Elect & Informat Engn, Chengdu 610064, Sichuan, Peoples R China

[4] China Acad Engn Phys, Inst Chem Mat, Mianshan Rd 64, Mianyang 621900, Sichuan, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2023年 / 161卷

关键词：

Optical parametric oscillator; Infrared laser; Nonlinear optics; Nonlinear crystals; ZNGEP2; CRYSTAL; THRESHOLD; COMPACT; TM/YLF;

D O I：

10.1016/j.optlastec.2023.109135

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents the first demonstration of a mid-infrared optical parametric oscillator (MIR OPO) based on ZGP crystal which was directly pumped by an acousto-optical Q-switched Tm:YLF laser at 1.908 mu m. Profited from the improved quality of ZGP crystal with low absorption coefficient (<0.04 cm-1) and high laser-induced damage threshold (>3 J/cm2) at 1.908 mu m, output power of 17.8 W for both the 3.53 mu m signal and 4.15 mu m idler lasers was achieved when the double-pump-pass, doubly-resonated ZGP OPO was pumped at 28.6 W. To the best of our knowledge, this is the highest output power and efficiency for any kind of Tm-laser directly-pumped OPOs.

引用

页数：6

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