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