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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 2 — Feb. 1, 2004
  • pp: 318–322

Limitation of second-harmonic generation of femtosecond Ti:sapphire laser pulses

Ildar A. Begishev, Mikhail Kalashnikov, Vladimir Karpov, Peter Nickles, Horst Schönnagel, Ilya A. Kulagin, and Timurbek Usmanov  »View Author Affiliations


JOSA B, Vol. 21, Issue 2, pp. 318-322 (2004)
http://dx.doi.org/10.1364/JOSAB.21.000318


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Abstract

The second-harmonic generation of 50-fs Ti:sapphire laser pulses in 1- and 2-mm KDP crystals at 350 mJ of incident energy is measured experimentally and analyzed theoretically. A frequency-conversion efficiency of ∼40% is reached. The limiting influence of self-phase modulation and fundamental phase modulation is demonstrated. The deep modulation of a frequency-doubled spectrum at a high incident intensity is observed. Methods to increase conversion efficiency are proposed.

© 2004 Optical Society of America

OCIS Codes
(140.3590) Lasers and laser optics : Lasers, titanium
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

Citation
Ildar A. Begishev, Mikhail Kalashnikov, Vladimir Karpov, Peter Nickles, Horst Schönnagel, Ilya A. Kulagin, and Timurbek Usmanov, "Limitation of second-harmonic generation of femtosecond Ti:sapphire laser pulses," J. Opt. Soc. Am. B 21, 318-322 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-2-318

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