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High power single-longitudinal-mode Ho3+:YVO4 unidirectional ring laser

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Abstract

We demonstrate a single-longitudinal-mode Ho3+:YVO4 unidirectional ring laser based on the acousto-optic effect, utilizing the features of the acousto-optical Q switch and half-wave plate to achieve unidirectional operation. The maximum power achieved in the single-longitudinal-mode at 2053.9 nm is 941 mW when the absorbed power is set as 4.4 W, yielding a nearly 50% slope efficiency. The M2 factor is 1.1. The results show that such a technique offers a potentially promising new method for achieving a high power and narrow linewidth 2 μm single-longitudinal-mode laser.

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DOI:10.3788/col201715.031402

所属栏目:Lasers and laser optics

收稿日期:2016-10-14

录用日期:2016-12-23

网络出版日期:2017-02-06

作者单位    点击查看

Jing Wu:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Youlun Ju:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Baoquan Yao:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Tongyu Dai:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Zhenguo Zhang:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
Xiaoming Duan:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China
and Yuezhu Wang:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China

联系人作者:联系作者(daitongyu2006@126.com)

备注:This work was supported by the National Natural Science Foundation of China (Nos. 61308009 and 61405047), the China Postdoctoral Science Foundation Funded Project (Nos. 2016T90287 and 2015M570290), the Fundamental Research Funds for the Central Universities Grant (No. HIT. NSRIF.2015042), and the Heilongjiang Postdoctoral Science Foundation Funded Project (No. LBH-Z14085).

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