摘要
厚1.5 mm的KNbO_ 3晶体在室温下角度相位匹配倍频脉冲参量激光获得427~470nm蓝紫光,能量转换效率超过40%,输出单脉冲蓝紫光的峰功率达60kW.对相位匹配曲线、倍频效率与基波光强的关系和相应匹配角允差作了计算和讨论.
Efficient second harmonic generation from pulsed parametric laser to 427 -470 nm has been obtained in a KNbO3 crystal of in 1.5mm length, by angular tuning at room temperature. The energy conversion efficiency is over 40%, Single pulse blue light z-eaohes 60 kW in peak power. Angular dependence of phase matching wavelength, the relation between conversion efficiency and fundamental intensity and acceptable angular phase mismatch are studied and discussed.
出处
《光学学报》
EI
CAS
CSCD
北大核心
1992年第4期318-321,共4页
Acta Optica Sinica