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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 16 — Aug. 15, 2012
  • pp: 3456–3458

White light generation over three octaves by femtosecond filament at 3.9 µm in argon

Daniil Kartashov, Skirmantas Ališauskas, Audrius Pugžlys, Alexander Voronin, Aleksei Zheltikov, Massimo Petrarca, Pierre Béjot, Jérôme Kasparian, Jean-Pierre Wolf, and Andrius Baltuška  »View Author Affiliations


Optics Letters, Vol. 37, Issue 16, pp. 3456-3458 (2012)
http://dx.doi.org/10.1364/OL.37.003456


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Abstract

We report the first (to our knowledge) experimental results and numerical simulations on mid-IR femtosecond pulse filamentation in argon using 0.1 TW peak-power, 80 fs, 3.9 μm pulses. A broadband supercontinuum spanning the spectral range from 350 nm to 5 μm is generated, whereby about 4% of the mid-IR pulse energy is converted into the 350–1700 nm spectral region. These mid-IR–visible coherent continua offer a new, unique tool for time-resolved spectroscopy based on a mid-IR filamentation laser source.

© 2012 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.5940) Nonlinear optics : Self-action effects
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 25, 2012
Revised Manuscript: July 11, 2012
Manuscript Accepted: July 11, 2012
Published: August 14, 2012

Citation
Daniil Kartashov, Skirmantas Ališauskas, Audrius Pugžlys, Alexander Voronin, Aleksei Zheltikov, Massimo Petrarca, Pierre Béjot, Jérôme Kasparian, Jean-Pierre Wolf, and Andrius Baltuška, "White light generation over three octaves by femtosecond filament at 3.9 µm in argon," Opt. Lett. 37, 3456-3458 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3456

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