Dual-wavelength oscillation at 1064 and 1342 nm in a passively Q-switched Nd:YVO4 laser with V3+:YAG as saturable absorber

被引：14
|
作者：
Xu, J. -L. [1 ]
Huang, H. -T. [1 ]
He, J. -L. [1 ]
Yang, J. -F. [1 ]
Zhang, B. -T. [1 ]
Yang, X. -Q. [1 ]
Liu, F. -Q. [1 ]
机构：
[1] Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 103卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ND-YAG LASERS; 1.06; MU-M; CONTINUOUS-WAVE; V-YAG; DIODE; OPERATION; 1.34-MU-M; 1.44-MU-M; ND-GDVO4;
D O I：
10.1007/s00340-010-4288-z
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The efficient dual-wavelength oscillation at 1064 and 1342 nm in the passively Q-switched laser based on Nd:YVO4/V3+:YAG is successfully obtained, as demonstrated in this paper. A total average output power of 2.2 W is obtained with 1.3 W for 1064 nm and 0.9 W for 1342 nm under the incident pump power of 7.7 W, corresponding to a total optical-optical conversion efficiency of 28.2%. The pulse widths are 58 and 54 ns for 1064 and 1342 nm, respectively, with the repetition rate of 89 kHz. Moreover, a rate equation model considering the Gaussian spatial distributions of the intracavity photon density and the initial population-inversion density is presented to characterize the dual-wavelength passive Q-switching operation.
引用
收藏
页码：75 / 82
页数：8
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