1886-nm mode-locked and wavelength tunable Tm-doped CaF2 lasers

被引：29

作者：

Liu, Jingjing ^{[1
]}

Zhang, Cheng ^{[1
]}

Zhang, Zhen ^{[2
]}

Wang, Jingya ^{[2
]}

Fan, Xiuwei ^{[1
,4
]}

Liu, Jie ^{[1
,4
]}

Su, Liangbi ^{[2
,3
]}

机构：

[1] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Devices, Jinan 250014, Shandong, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, SSCRC, CAS Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201899, Peoples R China

[4] Shandong Normal Univ, Inst Data Sci & Technol, Jinan 250014, Shandong, Peoples R China

来源：

OPTICS LETTERS | 2019年 / 44卷 / 01期

基金：

中国国家自然科学基金;

关键词：

SOLID-STATE LASER; MU-M LASER; CONTINUOUS-WAVE; PERFORMANCE; OPERATION; LOCKING;

D O I：

10.1364/OL.44.000134

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A 3 at.% Tm-doped CaF2 crystal was grown successfully and used as a gain medium. A high-efficiency continuous-wave laser and wide tuning performance were demonstrated in this crystal, and passive mode-locking laser operation was realized for the first time, to the best of our knowledge. For continuous-wave operation, the maximum output power was 2.71 W with a high slope efficiency of 70.3%. Using a quartz birefringent filter, a continuous tuning range of approximately 190 nm was observed in the tuning mode. In addition, a passively mode-locked Tm3+:CaF2 laser emitting at 1886.8 um was achieved with a semiconductor saturable absorber mirror. At an absorbed pump power of 2.65 W, a pulse duration with tens of picoseconds was obtained at a pulse repetition rate of 96.35 MHz. (C) 2018 Optical Society of America

引用

页码：134 / 137

页数：4

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