A Linearly Polarized Ho：YAG Laser at 2.09 μm with Corner Cube Cavity Pumped by Tm：YLF Laser

A linearly polarized operation Ho： YAG laser at 2090.5 nm with a corner cube cavity is demonstrated. A polarizer with high reflectivity for the s-polarized light at the laser wavelength is employed to achieve a linearly polarized laser. In the same case of resonator length, the corner cube can be us...

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Bibliographic Details
Published in:Chinese physics letters 2015-07, Vol.32 (7), p.80-82
Main Author: 吴婧 鞠有伦 戴通宇 刘伟 姚宝权 王月珠
Format: Article
Language:English
Subjects:
Ho：YAG激光
YLF
光学转换
激光器泵浦
激光波长
线性极化
角锥
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Summary:A linearly polarized operation Ho： YAG laser at 2090.5 nm with a corner cube cavity is demonstrated. A polarizer with high reflectivity for the s-polarized light at the laser wavelength is employed to achieve a linearly polarized laser. In the same case of resonator length, the corner cube can be used to cut the volume of the Ho：YAG laser and to enhance the stability of the system. The maximum linearly polarized output power of 5.8 W is achieved at the absorbed pump power of 23.3 W, corresponding to a slope efficiency of 29.7%, and the optical-optical conversion efficiency is around 24.9%. The M2 factors of the 2.09μm laser are 2.4 and 1.2 along the horizontal and vertical directions, respectively.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/32/7/074207