Applied Physics B

, Volume 96, Issue 2–3, pp 379–383

Room temperature efficient continuous wave and Q-switched operation of a Ho:YAP laser

  • X. M. Duan
  • B. Q. Yao
  • X. T. Yang
  • T. H. Wang
  • Y. L. Ju
  • Y. Z. Wang
Article

Abstract

We report the continuous wave and acousto-optically Q-switched operation of a Tm:YLF-pumped Ho:YAP laser at room temperature. Continuous wave output power of 6.8 W at 2118 nm was obtained under the incident pump power of 13.4 W, corresponding to a slope efficiency of 65.6% and a conversion efficiency of 50.7%. For the Q-switched mode, a maximum pulse energy of 1.28 mJ and a minimum pulse width of 31 ns at the repetition rate of 5 kHz were achieved, resulting in a peak power of 41.3 kW. In addition, the Ho:YAP laser was employed as a pumping source of ZGP optical parametric oscillator, the total average output power of which was 3.2 W at 4.08 and 4.41 μm with a slope efficiency of 69.5%, corresponding to the diode-to-mid-IR conversion efficiency of 9.0%.

PACS

42.55.Xi 42.60.Pk 42.60.Gd 42.65.Yj 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • X. M. Duan
    • 1
  • B. Q. Yao
    • 1
  • X. T. Yang
    • 1
  • T. H. Wang
    • 1
  • Y. L. Ju
    • 1
  • Y. Z. Wang
    • 1
  1. 1.National Key Laboratory of Tunable Laser TechnologyHarbin Institute of TechnologyHarbinChina

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