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Widely tunable PPLN/IOPO driven by a diode-end-pumped Q-switched Nd:YVO4 laser

  • Solid State and Liquid Lasers
  • Published:
Laser Physics

Abstract

This paper reported a broadband tuning intracavity optical parametric oscillator (IOPO), based on the multiple grating periodical poled lithium niobate (PPLN) pumped by a acoustic-optical (AO) Q-switched Nd:YVO4 laser. The widely tunable OPO output signal wavelength range from 1390 to 1605 nm, which was obtained by changing PPLN poling period from 27.8 to 31.6 μm at a certain temperature of 46°C, while the continuous tuning range was measured from 1475 to 1592 nm with the PPLN poling period of 30 μm by varying the temperature of nonlinear crystal PPLN from 50 to 120°C. The maximum output power of 0.92 W at 1534 nm with the minimum pulse width of 5.17 ns was generated under the incident pump power of 9.6 W at 808 nm. The corresponding peak power and single pulse energy were calculated to be 5.94 kW and 30.7 μJ, respectively. The M 2-factor was measured to be 2.01 at the signal power of 0.4 W.

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Authors and Affiliations

  1. State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Ji’nan, 250100, China

    S. D. Liu, J. F. Yang, J. L. He, B. T. Zhang, X. Q. Yang, F. Q. Liu, H. W. Yang, J. L. Xu & H. T. Huang

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  1. S. D. Liu
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  2. J. F. Yang
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  3. J. L. He
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  4. B. T. Zhang
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  5. X. Q. Yang
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  6. F. Q. Liu
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  7. H. W. Yang
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  8. J. L. Xu
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  9. H. T. Huang
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Correspondence to J. L. He.

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Original Text © Astro, Ltd., 2011.

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Liu, S.D., Yang, J.F., He, J.L. et al. Widely tunable PPLN/IOPO driven by a diode-end-pumped Q-switched Nd:YVO4 laser. Laser Phys. 21, 327–330 (2011). https://doi.org/10.1134/S1054660X1103011X

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  • DOI: https://doi.org/10.1134/S1054660X1103011X

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