Tunable single-longitudinal-mode Er:YAG laser using a twisted-mode technique at 1.6 μm

被引：16

作者：

Yao, B. Q. ^{[1
]}

Dai, T. Y. ^{[1
]}

Deng ^{[1
]}

Duan, X. M. ^{[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 | 2015年 / 12卷 / 02期

基金：

中国国家自然科学基金;

关键词：

single-longitudinal mode; Er:YAG; twisted-mode; NONPLANAR RING OSCILLATOR; YAG LASER; 1645; NM; CAVITY; OUTPUT; OPERATION;

D O I：

10.1088/1612-2011/12/2/025004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrated a diode-pumped tunable single-longitudinal-mode Er: YAG laser using a twisted-mode technique at 1.6 mu m. The maximum single-longitudinal-mode output power of 315 mW was obtained at 1645.3 nm, corresponding to a slope efficiency of 7.7%. The single-longitudinal-mode laser has a beam quality factor of M2 similar to 1.07. The output wavelength can be tuned from 1644.8 to 1646.1 nm by changing the etalon angle. In addition, by changing an output coupler, a maximum single-longitudinal-mode output power of 130 mW at 1617.2 nm with a slope efficiency of 3.3% was also achieved. The output wavelength can be tuned from 1616.9 to 1617.4 nm by changing the etalon angle. The twisted-mode Er:YAG laser operated at single-longitudinal mode is being reported for the first time to the best of our knowledge.

引用

页数：4

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