A low-threshold efficient KTA OPO by a fiber-coupled diode-end-pumped Nd:YVO4 laser

被引：0
|
作者：
Zhong K. [1 ]
Yao J.-Q. [1 ]
Xu D.-G. [1 ]
Wang Y.-Y. [1 ]
Wang P. [1 ]
机构：
[1] Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronic Engineering, Tianjin University
来源：
Optoelectronics Letters | 2010年 / 6卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Pump Power; Maximum Output Power; Output Coupler; Optical Parametric Oscillator; Laser Crystal;
D O I：
10.1007/s11801-010-0078-4
中图分类号：
学科分类号：
摘要：
A low-threshold efficient high-repetition-rate eye-safe optical parametric oscillator (OPO) is presented. The OPO is based on an x-cut non-critically phase-matched (NCPM) KTA intra-cavity pumped by an acousto-optically (A-O) Q-switched Nd:YVO4 laser. At 10 kHz, the lowest threshold of 0.75 W and the signal power of 0.6 W are got, corresponding to the single pulse energy of 60 μJ and the peak power of 20 kW. Tuning the frequency, the maximum output power at 1536 nm is 1.03 W at 30 kHz with an optical-to-optical conversion efficiency of 12.26%. The fluctuation of the output power is 2.1% during 2 h operation. © 2010 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：412 / 416
页数：4
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