期刊
OPTICS LETTERS
卷 40, 期 7, 页码 1270-1273出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.001270
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- French National Defense Agency (DGA) [ANR-13-ASTR-0001]
- Region Bretagne
- Agence Nationale de la Recherche (ANR) [ANR-13-ASTR-0001] Funding Source: Agence Nationale de la Recherche (ANR)
We report a novel method to unambiguously determine the magnitude and orientation of linear dichroism in a simultaneous way. It is based on the use of a dedicated dual-frequency dual-polarization coherent source providing two orthogonal circularly polarized modes at the output. We show that the interaction of such a beam with dichroic media gives rise to a beatnote signal whose amplitude and phase enable the full determination of the diattenuation coefficient and axis orientation, respectively. The application of this method to polarimetric imaging provides single-shot sample characterization by its diattenuation coefficient and optical axis angle, with potential applications in biomedical imaging. (C) 2015 Optical Society of America
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