Wavelength tunable single-frequency Cr:ZnSe laser

被引：1
|
作者：
Wang, Qing [1 ,2 ]
Liu, Congcong [1 ,2 ]
Qi, Lei [1 ,2 ]
Wang, Yalan [1 ,2 ]
Gao, Chunqing [1 ,2 ]
机构：
[1] Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China
[2] Minist Ind & Informat Technol, Key Lab Informat Technol, Beijing 100081, Peoples R China
来源：
2019 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: ADVANCED LASER TECHNOLOGY AND APPLICATIONS | 2020年 / 11437卷
基金：
中国国家自然科学基金;
关键词：
Cr:ZnSe; single-frequency; birefringent filters; self-seed; ring cavity; ZINC CHALCOGENIDES;
D O I：
10.1117/12.2548520
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We demonstrate a wavelength tunable continuous wave single-frequency Cr:ZnSe laser based on a self-seeded ring cavity configuration in this paper. The laser system is based on anti-coated Cr:ZnSe crystal which has a length of 6 mm and a low signal transmission of 15% (at 1908nm). Unidirectional operation of Cr:ZnSe laser is obtained by using a retro-reflecting device which can retro reflect a self-seed laser back into the ring cavity. The transmission of the output coupler is also optimized to get unidirectional operation. With three different birefringent filters inserting in the cavity, single-frequency operation with narrow linewidth is obtained. By rotating the angle of the birefringent filters, the laser's wavelength under single-frequency operation could be continuously tuned from 2338 nm to 2572 nm. The tuning range is over 200 nm. The maximum single-frequency output power is 0.92 W at wavelength of 2357 nm.
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页数：7
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