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Nonresonant background suppression in coherent anti-Stokes Raman spectroscopy through cascaded nonlinear optical interactions.

Authors
  • Petrov, Georgi I
  • Zhi, Miaochan
  • Wang, Dawei
  • Yakovlev, Vladislav V
Type
Published Article
Journal
Optics Letters
Publisher
The Optical Society
Publication Date
May 01, 2013
Volume
38
Issue
9
Pages
1551–1553
Identifiers
DOI: 10.1364/OL.38.001551
PMID: 23632548
Source
Medline
License
Unknown

Abstract

We propose and experimentally validate a technique for four-wave mixing background suppression in coherent anti-Stokes Raman spectroscopy. It is based on the interaction of the signals generated from the Kerr third-order nonlinearity and the cascaded quadratic process in a nonlinear crystal. Theoretical analysis agrees well with the experimental results, which provide a quantitative assessment of different contributions and allow extraction of the nonlinearity parameters.

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