High efficiency KTiOAsO4 optical parametric oscillator within a diode-side-pumped two-rod Nd:YAG laser

被引：18
|
作者：
Sun, W. J. [1 ,2 ]
Wang, Q. P. [1 ,2 ]
Liu, Z. J. [1 ,2 ]
Zhang, X. Y. [1 ,2 ]
Bai, F. [1 ,2 ]
Wan, X. B. [1 ,2 ]
Jin, G. F. [1 ]
Tao, X. T. [3 ]
Sun, Y. X. [3 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China
[2] Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China
[3] Shandong Univ, Inst Crystal Mat, Jinan 250100, Shandong, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 104卷 / 01期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
CONTINUOUS-WAVE; MU-M; POWER; OUTPUT; OPO; NM;
D O I：
10.1007/s00340-011-4573-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high efficiency KTiOAsO4(KTA) intracavity optical parametric oscillator (IOPO) is demonstrated within a diode-side-pumped acousto-optically (AO) Q-switched two-rod Nd:YAG laser. With a 25-mm-long X-cut KTA crystal, efficient parametric conversions to signal (1.54 mu m) and idler (3.47 mu m) waves are realized. The highest output power of 15.8 W including 12.7 W signal and 3.1 W idler power is obtained at a repetition rate of 7.5 kHz and a pump power of 208 W, corresponding to an optical-to-optical conversion efficiency of up to 7.6%. The signal pulse duration is 32 ns with a peak power of 53 kW. At a repetition rate of 12.5 kHz and the pump power of 208 W, the highest idler power of 3.4 W is obtained with a peak power of 14 kW and a pulse duration of 19 ns. And the beam quality factors (M (2)) of the signal and idler waves are determined to be around 2 and 20, respectively.
引用
收藏
页码：87 / 91
页数：5
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