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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28544–28556

Efficient second-harmonic generation of a broadband radiation by control of the temperature distribution along a nonlinear crystal

K. Regelskis, J. Želudevičius, N. Gavrilin, and G. Račiukaitis  »View Author Affiliations

Optics Express, Vol. 20, Issue 27, pp. 28544-28556 (2012)

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We demonstrate an efficient technique for the second harmonic generation (SHG) of the broadband radiation based on the temperature gradient along a nonlinear crystal. The characteristics of Type I non-critical phase-matched SHG of broadband radiation in the LiB3O5 (LBO) crystal with the temperature gradient imposed along the crystal were investigated both numerically and experimentally. The frequency doubling efficiency of the broadband pulsed fiber laser radiation as high as 68% has been demonstrated.

© 2012 OSA

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 10, 2012
Revised Manuscript: November 24, 2012
Manuscript Accepted: November 26, 2012
Published: December 10, 2012

K. Regelskis, J. Želudevičius, N. Gavrilin, and G. Račiukaitis, "Efficient second-harmonic generation of a broadband radiation by control of the temperature distribution along a nonlinear crystal," Opt. Express 20, 28544-28556 (2012)

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