Diode-pumped high efficient Tm:YLF laser output at 1908 nm with near-diffraction limited beam quality

被引：64
|
作者：
Duan, X. M. [1 ]
Yao, B. Q. [1 ]
Zhang, Y. J. [1 ]
Song, C. W. [1 ]
Zheng, L. L. [1 ]
Ju, Y. L. [1 ]
Wang, Y. Z. [1 ]
机构：
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China
来源：
LASER PHYSICS LETTERS | 2008年 / 5卷 / 05期
关键词：
solid-state lasers; diode pumping; Tm : YLF;
D O I：
10.1002/lapl.200810002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
High power and high beam quality continuous wave Tm:YLF laser by the dual-end-pumped is presented in this letter. The highest output power reaches 21.3 W when the totally input pump power is 54.6 W. The optical conversion efficiency is 39.0% and the slope efficiency is 47.3% With an F-P etalon in, the cavity, the output center wavelength is tuned to 1908 nm with about 0.5 nm FWHM. With the optimal cavity, the beam quality factor M-2 can be similar to 1.1. As we know, our work is the first time to investigate the Tm:YLF laser output spectrum with an F-P etalon in the cavity, and acquire near-diffraction limited laser output.
引用
收藏
页码：347 / 349
页数：3
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