An efficient all-solid-state doubly resonant sum-frequency continuous-wave ultraviolet laser at 299 nm

被引：3
|
作者：
Liu, B. [1 ]
Huo, Y. [2 ]
Shi, J. F. [1 ]
Li, Y. L. [3 ]
机构：
[1] Jilin Univ, Hosp 2, Changchun 130041, Peoples R China
[2] Beijing Univ, Hosp 1, Dept Cardiol, Beijing 100034, Peoples R China
[3] Changchun Univ Sci & Technol, Sch OptoElect Engn, Changchun 130022, Peoples R China
来源：
LASER PHYSICS LETTERS | 2013年 / 10卷 / 08期
关键词：
ND-YAG LASER; 4TH-HARMONIC GENERATION; HARMONIC-GENERATION; BEAM GENERATION; REPETITION-RATE; POWER; CSLIB6O10; OPERATION; ND-GDVO4; CRYSTAL;
D O I：
10.1088/1612-2011/10/8/085003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report for the first time coherent ultraviolet radiation at 299 nm by intracavity sum-frequency generation of an 899 nm Nd:YAG laser and a 456 nm frequency doubling Nd:GdVO4 laser. The ultraviolet laser is obtained by using doubly resonant, type-I critical phase matching CsLiB6O10 (CLBO) crystal sum-frequency mixing. With a total diode pump power of 35.6 W (17.2 W pump power for the 899 nm Nd:YAG laser and 18.4 W pump power for the 456 nm Nd: GdVO4 frequency doubling laser), a TEM00 mode ultraviolet laser at 299 nm of 331 mW is obtained. The power stability is better than 3.4% and the laser beam quality M-2 factors are 1.22 and 1.17 in the horizontal and vertical dimensions respectively.
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页数：4
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