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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 2 — Feb. 1, 2006
  • pp: 332–340

Generation and complete characterization of intense mid-infrared ultrashort pulses

Cathie Ventalon, James M. Fraser, Jean-Pierre Likforman, D. M. Villeneuve, P. B. Corkum, and Manuel Joffre  »View Author Affiliations


JOSA B, Vol. 23, Issue 2, pp. 332-340 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000332


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Abstract

Intense mid-infrared pulses tunable between 5 and 14 μ m with pulse energies of several microjoules were generated by difference-frequency mixing (DFM) in a GaSe crystal. Longer wavelengths (up to 18 μ m ) were achieved by DFM in a CdSe crystal. The infrared pulses were then characterized using various techniques: The spectrum was measured using a Fourier-transform spectrometer, which was then modified to determine the interferometric second-order autocorrelation. The electric field spectral phase was measured using the same setup, thus leading to a full characterization of the mid-infrared pulses. The spectral phase was measured using the time-domain homodyne optical technique for spectral phase interferometry for direct electric field reconstruction, where spectral interferometry was replaced with time-domain interferometry. The measured pulse duration was 100 fs , nearly transform limited.

© 2006 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(300.6310) Spectroscopy : Spectroscopy, heterodyne
(300.6340) Spectroscopy : Spectroscopy, infrared
(320.7100) Ultrafast optics : Ultrafast measurements
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 14, 2005
Revised Manuscript: July 13, 2005
Manuscript Accepted: August 8, 2005

Citation
Cathie Ventalon, James M. Fraser, Jean-Pierre Likforman, D. M. Villeneuve, P. B. Corkum, and Manuel Joffre, "Generation and complete characterization of intense mid-infrared ultrashort pulses," J. Opt. Soc. Am. B 23, 332-340 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-2-332

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