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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1332–1334

Fourier transform spectral interferometric coherent anti-Stokes Raman scattering (FTSI-CARS) spectroscopy

Sang-Hyun Lim, Allison G. Caster, and Stephen R. Leone  »View Author Affiliations


Optics Letters, Vol. 32, Issue 10, pp. 1332-1334 (2007)
http://dx.doi.org/10.1364/OL.32.001332


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Abstract

A novel Fourier transform spectral interferometric (FTSI) multiplex coherent anti-Stokes Raman scattering (CARS) technique is developed to extract the vibrational spectrum equivalent to the spontaneous Raman scattering. The conventional FTSI method is modified to use the internal nonresonant CARS signal as a local oscillator to perform spectral interferometry. Utilizing the causality of the coherent vibration (i.e., there should be no signal before the laser excitation), this new FTSI method recovers the entire complex vibrational spectral parameters. We demonstrate this technique with a previously reported single-pulse multiplex CARS method that uses a single phase-controlled broadband ultrafast laser pulse.

© 2007 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering

ToC Category:
Spectroscopy

History
Original Manuscript: December 22, 2006
Revised Manuscript: February 6, 2007
Manuscript Accepted: February 6, 2007
Published: April 17, 2007

Citation
Sang-Hyun Lim, Allison G. Caster, and Stephen R. Leone, "Fourier transform spectral interferometric coherent anti-Stokes Raman scattering (FTSI-CARS) spectroscopy," Opt. Lett. 32, 1332-1334 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-10-1332

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