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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 19, Iss. 8 — Aug. 1, 2002
  • pp: 1857–1864

High-efficiency frequency doubling of a Nd:YAG laser in a two-pass quadrature frequency-conversion scheme using CsLiB6O10 crystals

Hiromitsu Kiriyama, Fumihiko Nakano, and Koichi Yamakawa  »View Author Affiliations

JOSA B, Vol. 19, Issue 8, pp. 1857-1864 (2002)

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A two-pass quadrature scheme using CsLiB6O10 (CLBO) crystals was used to frequency double a Nd:YAG laser with high efficiency with tens of watts of average output power and low input laser intensities. The 532-nm bidirectional output of this scheme is readily suited for pumping Ti:sapphire crystals, making it possible to build compact high-power chirped-pulse amplification systems. Using this scheme, we obtained 2.73 J of second-harmonic pulse energy from 3.27 J of input 1064-nm fundamental laser pulse energy at a modest intensity of 330 MW/cm2 and 10 Hz, corresponding to an energy-conversion efficiency of 83%. We discuss in detail the design and performance of this frequency-conversion scheme in terms of output parameters, stability, and scalability.

© 2002 Optical Society of America

OCIS Codes
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

Hiromitsu Kiriyama, Fumihiko Nakano, and Koichi Yamakawa, "High-efficiency frequency doubling of a Nd:YAG laser in a two-pass quadrature frequency-conversion scheme using CsLiB6O10 crystals," J. Opt. Soc. Am. B 19, 1857-1864 (2002)

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