supported by the National Natural Science Foundation of China (Grant No. 10534020);the National Key Projects for Basic Research of China (Grant No. 2006CB921804)
The optical parametric oscillator (OPO) based on the periodically poled lithium tantalate (PPLT) crystal (40 mm×5 mm×1 mm) is fabricated. The OPO is pumped by a Q-switched Nd:YAG laser working at 1.064 μm. An avera...