Confocal Raman microscope with versatile dual polarization snapshot acquisition

In this paper we propose a new strategy towards simultaneous co- and cross-polarized measurements of Raman spectra in a confocal microscope. One of the advantages of this strategy is that it is immune to polarization-dependent efficiency of diffraction gratings. It is shown via linear angle-resolved...

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Bibliographic Details
Published inOptics express Vol. 30; no. 26; pp. 46734 - 46748
Main Authors Acher, Olivier, Aleksanyan, Artur, Thieffry, Aurélien
Format Journal Article
LanguageEnglish
Published United States 19.12.2022
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Summary:In this paper we propose a new strategy towards simultaneous co- and cross-polarized measurements of Raman spectra in a confocal microscope. One of the advantages of this strategy is that it is immune to polarization-dependent efficiency of diffraction gratings. It is shown via linear angle-resolved and circular polarization measurements that the accuracy of these snapshot polarization measurements on solid and liquid samples are in good agreement with available models and data. The interest of simultaneous acquisition of the total Raman response and the degree of polarization is discussed as well.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.473360