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全固态激光器抽运的PPLN光参变振荡

All-Solid-State Pumped Tunable PPLN Optical Parametric Oscillator

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摘要

用全固态1064nm调Q激光输出,抽运多周期PPLN,实现了宽调谐的准相位匹配光参变振荡.振荡阈值10.3μJ(脉宽22ns),信号光最高输出平均功率为42.5mW,斜率效率为12.5%.

Abstract

A widely tunable quasi phase matched optical parametric oscillator was demonstrated by using periodically poled LiNbO 3 (PPLN) with a multigrating structure. With a 1064 nm acousto optically Q switched Nd∶YVO 4 pump laser, a tunable IR output from 1.436 μm to 1.7 μm was obtained. The threshold was 10.3 μJ with pulses repetition rate of 10 kHz. The maximum average output power of signal is 42.5 mW with pump to signal conversion efficiency of 12.5%.

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中图分类号:O437.4

所属栏目:简讯

基金项目:973国家重点基础研究发展规划项目(G1998061405-5)资助课题.

收稿日期:2000-04-07

修改稿日期:2000-07-13

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梁晓燕:中国科学院物理研究所,北京 100080
侯玮:中国科学院物理研究所,北京 100080
吕军华:中国科学院物理研究所,北京 100080
许祖彦:中国科学院物理研究所,北京 100080

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【2】Kitaoka Y, Mizuchi K, Yamamoto K et al.. Intracavity second-harmonic generation with a periodically domain-inverted LiTaO3 device. Opt. Lett., 1996, 21(24):1972~1974

【3】Garashi A, Arie A, Skliar A et al.. Continuous-wave optical parametric oscillator based on periodically poled KTiOPO4. Opt. Lett., 1998, 23(21):1739~1741

【4】Karlsson H, Olson M, Arvidsson G et al.. Nanosecond optical parametric oscillator based on large-aperture periodically poled RbTiOAsO4. Opt. Lett., 1999, 24(5):330~332

【5】Myers L E, Eckardt R C, Fejer M M et al.. Quasi-phase-matched optical parametric oscillator in bulk periodically poled LiNbO3. J. Opt. Soc. Am. (B), 1995, 12(11):2102~2115

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