16 W single-frequency laser output from an Er: YAG ceramic nonplanar ring oscillator

被引：9
|
作者：
Zhang, M. [1 ]
Gao, C. Q. [1 ]
Gao, M. W. [1 ]
Zhang, Y. X. [1 ]
Huang, S. [1 ]
机构：
[1] Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China
来源：
LASER PHYSICS LETTERS | 2018年 / 15卷 / 12期
基金：
中国国家自然科学基金;
关键词：
ceramic; single-frequency; nonplanar ring oscillator; SOLID-STATE LASERS; HIGH-POWER; ROOM-TEMPERATURE; MU-M; NM;
D O I：
10.1088/1612-202X/aaea75
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high-power 1645 nm monolithic Er: YAG ceramic nonplanar ring oscillator (NPRO) is demonstrated. The maximum 1645 nm single-frequency power is 16.10 W, with a slope efficiency of 56.24% and an optical efficiency of 50.15%. The relative power stability of the Er: YAG ceramic NPRO laser is measured to be 0.33% in 30 min. When the temperature of the Er: YAG ceramic changed, the widest continuous tuning range without mode-hoping is 4.21 GHz. The line width of the Er: YAG ceramic NPRO laser is 4.4 kHz. The M-2 factors are 1.20 and 1.27 in x and y directions, respectively.
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页数：4
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