Wide-field vibrational phase imaging in an extremely folded box-CARS geometry

We present a method that allows one to measure the real and imaginary parts of the third-order susceptibility in a wide-field coherent anti-Stokes Raman scattering setup using a quadriwave lateral shearing interferometer. This permits the retrieval of the undistorted Raman spectrumand the removal of...

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Bibliographic Details
Published in:Optics letters 2013-03, Vol.38 (5), p.709-711
Main Authors: Berto, Pascal, Jesacher, Alexander, Roider, Clemens, Monneret, Serge, Rigneault, Hervé, Ritsch-Marte, Monika
Format: Article
Language:English
Subjects:
Coherent scattering
Imaging
Interferometers
Raman scattering
Retrieval
Shearing
Solvents
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Summary:We present a method that allows one to measure the real and imaginary parts of the third-order susceptibility in a wide-field coherent anti-Stokes Raman scattering setup using a quadriwave lateral shearing interferometer. This permits the retrieval of the undistorted Raman spectrumand the removal of a nonresonant signal from the surrounding solvent, which otherwise may overwhelm weak resonances.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.000709