Applied Physics B

, 83:241

3.8 W of cw blue light generated by intracavity frequency doubling of a 946-nm Nd:YAG laser with LBO

  • Y. Chen
  • H. Peng
  • W. Hou
  • Q. Peng
  • A. Geng
  • L. Guo
  • D. Cui
  • Z. Xu
Article

Abstract

Efficient cw intracavity frequency doubling of a diode-end-pumped Nd:YAG laser operating on 4F3/24I9/2 transitions at 946 nm has been demonstrated. A symmetrical cavity with two composite laser rods was designed, which divides the pump power between the two composite laser rods, allowing for greater power scalability. A 30-mm-long LiB3O5 (LBO) crystal, cut for critical type I phase matching at 57 °C, was used for the intracavity frequency doubling of the laser. A maximum output power of 3.8 W in the blue spectral range at 473 nm has been achieved at 39 W of pump power. The beam quality M2 value is 2.3 in both horizontal and vertical dimensions.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Y. Chen
    • 1
    • 2
  • H. Peng
    • 1
  • W. Hou
    • 1
  • Q. Peng
    • 1
    • 2
  • A. Geng
    • 1
    • 2
  • L. Guo
    • 1
    • 2
  • D. Cui
    • 1
  • Z. Xu
    • 1
  1. 1.Laboratory of Optical Physics, Institute of PhysicsChinese Academy of SciencesBeijingP.R. China
  2. 2.Graduate SchoolChinese Academy of SciencesBeijingP.R. China

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