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We demonstrate an efficient and eye-safe wavelength intracavity optical parametric oscillator (OPO), based on a KTP crystal inside a Q-switched Nd:YVO4 laser end pumped by a fiber-coupled diode laser. In the acousto-optic Q-switched operation with the pulse repetition rate of 10 kHz, a 1572-nm eye-safe laser with the average power of 237 mW at the incident pump power of 5.64 W is obtained. Under the pulse repetition rate of 5 kHz, the signal light with pulse width of 2 ns and peak power of 18.5 kW is achieved. The conversion efficiency of the average power is 4.2% from pump diode to OPO signal output and the signal pulse duration is about 13 times shorter than that of the depleted pump light. 相似文献
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采用简单的两镜腔二极管泵浦Nd:GdVO4晶体产生1063nm和1342nm近红外双波长调Q激光振荡.用KTP晶体和钽酸锂光学超晶格材料分别对1063nm和1342nm激光进行倍频,在泵浦功率为14W、声光开关重复频率15kHz时,同时获得1063nm和1342nm剩余基波功率为587mW和1.13W、相应的二次谐波绿光功率703mW和红光功率328mW的四波长激光输出,脉宽分别为23ns、55ns、18ns和43ns. 相似文献
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