High power single-frequency 1112 nm laser by an insertable Nd:YAG/YAG bonded monolithic planar ring oscillator

被引：1

作者：

Liu, Hua-Yu ^{[1
,2
]}

Bian, Qi ^{[1
,3
]}

Bo, Yong ^{[1
,3
]}

Kou, Yang ^{[1
,3
]}

Yuan, Lei ^{[1
,3
]}

Liu, Yang ^{[1
,3
]}

Cui, Da-Fu ^{[1
,3
]}

Peng, Qin-Jun ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Solid State Laser, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100190, Peoples R China

[3] Inst Opt Phys & Engn Technol, Jinan 250000, Peoples R China

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 23期

基金：

中国国家自然科学基金;

关键词：

WAVELENGTH; GENERATION; ND3+;

D O I：

10.1364/OE.500304

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A high power single-frequency operation at 1112 nm with novel insertable monolithic planar ring oscillator based on a Nd:YAG/YAG bonded crystal is proposed. In a proof-ofprinciple experiment, a finely designed coating on the output surface is carried out to ensure single-wavelength oscillation at 1112 nm, together with a half-wave plate and a Tb3Ga5O12 crystal inserted in the open space of the bonded block to realize the unidirectional operation with power scalability. Consequently, the single-frequency laser delivers an output power of 3.9 W at 1112.3 nm with a slope efficiency of 58.6% and an optical-to-optical efficiency of 17.7%. The power fluctuation is measured to be within +/- 0.26% over 20 min, and the laser linewidth is estimated to be 4.15 MHz ( increment lambda = 0.017 pm).

引用

页码：37597 / 37603

页数：7

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