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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 8 — Apr. 13, 2009
  • pp: 6451–6456

Using the self-filtering property of a femtosecond filament to improve second harmonic generation

David Shwa, Shmuel Eisenmann, Gilad Marcus, and Arie Zigler  »View Author Affiliations

Optics Express, Vol. 17, Issue 8, pp. 6451-6456 (2009)

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In this paper we demonstrate the use of NIR femtosecond filament for improving the generation of second harmonic using a type I BBO crystal. Using this method the beam propagation factor (M2) of the second harmonic was improved significantly; which led to enhancement of the attainable SH intensity by up to two orders of magnitude. This method can be beneficial for applications demanding high intensities, small spot size or long interaction lengths.

© 2009 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(190.5940) Nonlinear optics : Self-action effects
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: February 19, 2009
Revised Manuscript: March 18, 2009
Manuscript Accepted: March 18, 2009
Published: April 2, 2009

David Shwa, Shmuel Eisenmann, Gilad Marcus, and Arie Zigler, "Using the self-filtering property of a femtosecond filament to improve second harmonic generation," Opt. Express 17, 6451-6456 (2009)

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