Full characterization of dichroic samples from a single measurement by circular polarization orthogonality breaking
| Autor: | Julien Fade, Emmanuel Schaub, Noé Ortega-Quijano, Mehdi Alouini, François Parnet |
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| Přispěvatelé: | Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), RADIO LIBRE (ANR-13-ASTR-0001), French National Defense Agency (DGA), Rgion Bretagne, ANR-13-ASTR-0001,RADIO LIBRE,Imagerie active temps-réel de dépolarisation par brisure d'orthogonalité(2013), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Physics
[PHYS]Physics [physics] Optical Phenomena business.industry Phase (waves) Polarimetry Dichroism Linear dichroism Dichroic glass Atomic and Molecular Physics and Optics Optical axis [SPI]Engineering Sciences [physics] Optics Anisotropy business Circular polarization Beam (structure) ComputingMilieux_MISCELLANEOUS |
| Zdroj: | Optics Letters Optics Letters, 2015, 40 (7), pp.1270-1273. ⟨10.1364/OL.40.001270⟩ Optics Letters, Optical Society of America-OSA Publishing, 2015, 40 (7), pp.1270-1273. ⟨10.1364/OL.40.001270⟩ |
| ISSN: | 0146-9592 1539-4794 |
| DOI: | 10.1364/OL.40.001270⟩ |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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