A low-threshold efficient KTA OPO by a fiber-coupled diode-end-pumped Nd:YVO_4 laser  

作　　者：钟凯 姚建铨 徐德刚 王与烨 王鹏 

机构地区：[1]Institute of Laser and Optoelectronics,and Key Laboratory of Optoelectronic Information Science and Technology,Ministry of Education,College of Precision Instrument and Optoelectronic Engineering,Tianjin University

出　　处：《Optoelectronics Letters》2010年第6期412-416,共5页光电子快报（英文版）

基　　金：supported by the National Basic Research Development Program of China (No. 2007CB310403);the National Natural Science Foundation of China (Nos. 60801017 and 10874128)

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.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.

关 键 词：ND:YVO4激光器 光纤耦合二极管 光参量振荡器 门槛 信托 光学参量振荡器 科索沃 最大输出功率 

分 类 号：TN248[电子电信—物理电子学]