Applied Physics B

, Volume 81, Issue 1, pp 49–52

Passive Q-switching at 1.54 μm of an Er–Yb: GdCa4O(BO3)3 laser with a Co2+: MgAl2O4 saturable absorber

  • J. E. Hellström
  • G. Karlsson
  • V. Pasiskevicius
  • F. Laurell
  • B. Denker
  • S. Sverchkov
  • B. Galagan
  • L. Ivleva
Article

Abstract

We report, for the first time to our knowledge, efficient passive Q-switching of the 1.54-μm laser transition in an Er–Yb-doped crystalline medium. The laser configuration is a compact microchip design that is suitable for a range of practical applications such as range finding and lidar. The slope efficiency of 11.6%, pulse duration of 5–6 ns and average output power of 88 mW are all comparable with standard Er–Yb:glass lasers.

PACS

42.55.Xi 42.70.Hj 

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • J. E. Hellström
    • 1
  • G. Karlsson
    • 1
  • V. Pasiskevicius
    • 1
  • F. Laurell
    • 1
  • B. Denker
    • 2
  • S. Sverchkov
    • 2
  • B. Galagan
    • 2
  • L. Ivleva
    • 2
  1. 1.Department of PhysicsRoyal Institute of TechnologyStockholmSweden
  2. 2.General Physics InstituteMoscowRussia

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