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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 25925–25934

Non-resonant background suppression by destructive interference in coherent anti-Stokes Raman scattering spectroscopy

Stanislav O. Konorov, Michael W. Blades, and Robin F. B. Turner  »View Author Affiliations

Optics Express, Vol. 19, Issue 27, pp. 25925-25934 (2011)

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Coherent anti-Stokes Raman scattering (CARS) with femtosecond interaction pulses has become a popular and powerful spectroscopic method. Non-resonant background is one of the most limiting factors for implementing this method more widely. We propose a new approach that suppresses the non-resonant background contribution to the measured signal in CARS spectroscopy while simultaneously yielding high spectral resolution. The method is based on femtosecond pulse shaping of probe, Stokes and pump beams. Destructive interference suppresses the non-resonant background, resulting only in the resonant contribution being detected.

© 2011 OSA

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(300.6410) Spectroscopy : Spectroscopy, multiphoton
(300.6450) Spectroscopy : Spectroscopy, Raman

ToC Category:

Original Manuscript: August 2, 2011
Revised Manuscript: November 3, 2011
Manuscript Accepted: November 16, 2011
Published: December 6, 2011

Stanislav O. Konorov, Michael W. Blades, and Robin F. B. Turner, "Non-resonant background suppression by destructive interference in coherent anti-Stokes Raman scattering spectroscopy," Opt. Express 19, 25925-25934 (2011)

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