26 February 2010 Polarization-resolved coherent anti-Stokes Raman scattering microscopy
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Abstract
We have implemented a polarization-resolved coherent anti-Stokes Raman scattering (CARS) microscopy, based on the continuous variation of the incident linear polarization at the pump and Stokes wavelengths, together with a polarized analysis of the anti-Stokes signal. In isotropic media, such as solutions, this technique can be a powerful way to probe microscopic-scale information, such as the vibrational symmetry properties of the molecular bonds. In ordered media, additional macroscopic-scale structural information can be obtained, such as the orientation of the unit-cell of a crystal in 3D.
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Fabiana Munhoz, Sophie Brustlein, Sophie Brasselet, Hervé Rigneault, "Polarization-resolved coherent anti-Stokes Raman scattering microscopy", Proc. SPIE 7569, Multiphoton Microscopy in the Biomedical Sciences X, 75690P (26 February 2010); doi: 10.1117/12.840852; https://doi.org/10.1117/12.840852
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