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Optics Letters

Optics Letters


  • Vol. 23, Iss. 19 — Oct. 1, 1998
  • pp: 1511–1513

Efficient second-harmonic generation of a CO2 laser with a quasi-phase-matched GaAs crystal

E. Lallier, M. Brevignon, and J. Lehoux  »View Author Affiliations

Optics Letters, Vol. 23, Issue 19, pp. 1511-1513 (1998)

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We report on the fabrication and characterization of 5-mm-long quasi-phase-matched diffusion-bonded GaAs crystals designed for frequency doubling of a CO2 laser. Second-harmonic generation of a pulsed laser yielded up to 24% peak power efficiency at 20 MW/cm2 . Tunability and laser damage threshold are also investigated.

© 1998 Optical Society of America

OCIS Codes
(140.1340) Lasers and laser optics : Atomic gas lasers
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(190.7220) Nonlinear optics : Upconversion

E. Lallier, M. Brevignon, and J. Lehoux, "Efficient second-harmonic generation of a CO2 laser with a quasi-phase-matched GaAs crystal," Opt. Lett. 23, 1511-1513 (1998)

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