Applied Physics B

, Volume 89, Issue 2–3, pp 319–321 | Cite as

Co2+:LMA crystal as saturable absorber for a diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm

  • H.T. Huang
  • J.L. He
  • C.H. Zuo
  • H.J. Zhang
  • J.Y. Wang
  • Y. Liu
  • H.T. Wang
Article

Abstract

We have demonstrated an efficient diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm by using an uncoated Co2+:LaMgAl11O19 (Co2+:LMA) crystal as the saturable absorber. With the absorbed pump power of 11.7 W, the pulse width could be as low as 42 ns, with a corresponding average output power of 580 mW. At around 40 kHz repetition rate, the energy of a single Q-switched pulse was estimated to be about 14.5 μJ and the peak power was 346 W. The passive Q switching operation for the Co2+:LMA in different polarization states was also investigated.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • H.T. Huang
    • 1
    • 2
  • J.L. He
    • 1
  • C.H. Zuo
    • 1
  • H.J. Zhang
    • 1
  • J.Y. Wang
    • 1
  • Y. Liu
    • 3
  • H.T. Wang
    • 3
  1. 1.Institute of Crystal MaterialsShandong UniversityJi’nanP.R. China
  2. 2.College of Physics and ElectronicsShandong Normal UniversityJi’nanP.R. China
  3. 3.National Laboratory of Solid State MicrostructuresNanjing UniversityNanjingP.R. China

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