Passively Q-switched Nd:Sc0.2Y0.8SiO5 dual-wavelength laser with the orthogonally polarized output

被引：36
作者：
Liu, S. D. [1 ]
Zheng, L. H. [2 ]
He, J. L. [1 ]
Xu, J. [2 ]
Xu, X. D. [2 ]
Su, L. B. [2 ]
Yang, K. J. [1 ]
Zhang, B. T. [1 ]
Wang, R. H. [1 ]
Liu, X. M. [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 20期
基金：
中国国家自然科学基金;
关键词：
CONTINUOUS-WAVE; SCINTILLATORS; OPERATION; POWER; LYSO;
D O I：
10.1364/OE.20.022448
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have demonstrated a laser-diode pumped continuous-wave (CW) and passively Q-switched laser with a Nd:Sc0.2Y0.8SiO5 (Nd:SYSO) crystal for the first time. In the CW operation, the laser was found to oscillate in tri-wavelength regime at 1074.8 nm, 1076.6 nm and 1078.2 nm, respectively. The maximum CW output power of 1.96 W was obtained, giving an optical-to-optical conversion efficiency of 35% and a slope efficiency of 39%. Using either Cr4+:YAG or V3+:YAG crystal as saturable absorber, stable passively Q-switched laser was obtained at dual-wavelength of 1074.8 nm and 1078.2 nm with orthogonal-polarization. The maximum average output power, pulse repetition rate, and shortest pulse width were 1.03 W, 50 kHz, and 24 ns, respectively. The passively Q-switched dual-wavelength laser could be potentially used as a source for generation of terahertz radiation. (C) 2012 Optical Society of America
引用
收藏
页码：22448 / 22453
页数：6
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