中国激光, 2002, 29 (2): 123, 网络出版: 2006-08-08   

1.06 μm抽运的低阈值三共振准相位匹配光学参量振荡器

Low Threshold Quasi-phase-matched Triply Resonant Optical Parametric Oscillator Pumped by 1.06 μm Laser
作者单位
量子光学与光量子器件国家重点实验室,山西大学光电研究所,山西太原,030006
摘要
在利用模清洁器改善全固化单频Nd:YVO4激光器输出激光质量的基础上,利用准相位匹配(QPM)技术抽运三共振周期性极化铌酸锂晶体组成的光学参量振荡器(PPLN OPO),在低至1.5 mW的阈值抽运功率下获得2.1 μm的近简并下转换光输出;当抽运功率为6 mW时,输出0.9 mW下转换光,光-光转换效率为15%.
Abstract
An optimized all solid state single frequency Nd∶YVO 4 laser at 1.06 μm with a mode cleaner was used to pump a optical parametric oscillator consisting of periodically poled LiNbO 3. The near degenerate subharmonic wave at 2.1 μm wavelength was obtained under a pumped threshold of 1.5 mW. The subharmonic output of 0.9 mW was produced at a pump power of 6 mW. The light to light conversion efficiency is 15%.
参考文献

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张宽收, 李永民, 陈艳丽, 樊巧云, 谢常德, 彭堃墀. 1.06 μm抽运的低阈值三共振准相位匹配光学参量振荡器[J]. 中国激光, 2002, 29(2): 123. 张宽收, 李永民, 陈艳丽, 樊巧云, 谢常德, 彭堃墀. Low Threshold Quasi-phase-matched Triply Resonant Optical Parametric Oscillator Pumped by 1.06 μm Laser[J]. Chinese Journal of Lasers, 2002, 29(2): 123.

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