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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 3 — Feb. 1, 2008
  • pp: 285–287

Supercontinua for high-resolution absorption multiplex infrared spectroscopy

Julien Mandon, Evgeni Sorokin, Irina T. Sorokina, Guy Guelachvili, and Nathalie Picqué  »View Author Affiliations


Optics Letters, Vol. 33, Issue 3, pp. 285-287 (2008)
http://dx.doi.org/10.1364/OL.33.000285


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Abstract

Supercontinua generated in highly nonlinear fibers by ultrashort-pulse lasers can be used for high-resolution Fourier transform absorption spectroscopy. The practical advantages of these bright ultrabroadband light sources for spectroscopy in the near-infrared region are reported. A Cr 4 + : YAG femtosecond laser broadened by an extruded soft-glass photonic crystal fiber, emitting from 1200 to 2200 nm and from 675 to 950 nm , provides a spectral radiance 1 × 10 5 times higher than that of a 3000 K blackbody and 10 2 times higher than that of synchrotron radiation. The C 2 H 2 and N H 3 overtone spectra are recorded by using this source within a few seconds.

© 2008 Optical Society of America

OCIS Codes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(230.6080) Optical devices : Sources
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 26, 2007
Manuscript Accepted: December 13, 2007
Published: January 30, 2008

Citation
Julien Mandon, Evgeni Sorokin, Irina T. Sorokina, Guy Guelachvili, and Nathalie Picqué, "Supercontinua for high-resolution absorption multiplex infrared spectroscopy," Opt. Lett. 33, 285-287 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-3-285

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