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Efficient sub-nanosecond intracavity optical parametric oscillator pumped with a passively Q-switched Nd:GdVO4 laser

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Abstract

An efficient diode-pumped passively Q-switched Nd:GdVO4/Cr4+:YAG laser was employed to generate a high-repetition-rate, high-peak-power eye-safe laser beam with an intracavity optical parametric oscillator (OPO) based on a KTP crystal. The conversion efficiency for the average power is 8.3% from pump diode input to OPO signal output and the slope efficiency is up to 10%. At an incident pump power of 14.5 W, the compact intracavity OPO cavity, operating at 46 kHz, produces average powers at 1571 nm up to 1.2 W with a pulse width as short as 700 ps.

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Authors and Affiliations

  1. Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan

    Y.F. Chen, S.W. Chen, L.Y. Tsai & Y.C. Chen

  2. National Nano Device Laboratories, Hsinchu, Taiwan

    C.H. Chien

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  1. Y.F. Chen
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  2. S.W. Chen
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  3. L.Y. Tsai
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  4. Y.C. Chen
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  5. C.H. Chien
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Correspondence to Y.F. Chen.

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PACS

42.60.Gd; 42.65.Yj; 42.55.X

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Chen, Y., Chen, S., Tsai, L. et al. Efficient sub-nanosecond intracavity optical parametric oscillator pumped with a passively Q-switched Nd:GdVO4 laser. Appl Phys B 79, 823–825 (2004). https://doi.org/10.1007/s00340-004-1623-2

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  • DOI: https://doi.org/10.1007/s00340-004-1623-2

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