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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2353–2355

Highly efficient nonlinear filter for femtosecond pulse contrast enhancement and pulse shortening

Aurélie Jullien, Jean-Philippe Rousseau, Brigitte Mercier, Laura Antonucci, Olivier Albert, Gilles Chériaux, Stoyan Kourtev, Nikolai Minkovski, and Solomon M. Saltiel  »View Author Affiliations


Optics Letters, Vol. 33, Issue 20, pp. 2353-2355 (2008)
http://dx.doi.org/10.1364/OL.33.002353


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Abstract

We propose a highly efficient scheme for temporal filters devoted to femtosecond pulse contrast enhancement. The filter is based on cross-polarized wave generation with a spatially suger-Gaussian-shaped beam. In a single nonlinear crystal scheme the energy conversion to the cross-polarized pulse can reach 28%. We demonstrate that the process enables a significant spectral broadening. For an efficiency of 23% the pulse shortening is estimated to 2.2, leading to an intensity transmission of the nonlinear filter of 50%.

© 2008 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: June 18, 2008
Revised Manuscript: July 24, 2008
Manuscript Accepted: August 9, 2008
Published: October 14, 2008

Citation
Aurélie Jullien, Jean-Philippe Rousseau, Brigitte Mercier, Laura Antonucci, Olivier Albert, Gilles Chériaux, Stoyan Kourtev, Nikolai Minkovski, and Solomon M. Saltiel, "Highly efficient nonlinear filter for femtosecond pulse contrast enhancement and pulse shortening," Opt. Lett. 33, 2353-2355 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-20-2353

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