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Proceedings Paper

Speckle fields polarimetry: statistical analysis and polarization singularities measurements
Author(s): Jan Dupont; Xavier Orlik
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Paper Abstract

We propose a polarimetric study of speckle fields either produced by surface or bulk scattering. We decompose these speckle fields on plane waves fully polarized along two orthogonal states of polarization, and a fully depolarized amplitude. After a statistical analysis of the parameters obtained by the decomposition, we focus our attention on places of destructive interference: the optical vortices. These structures are called polarization singularities, the three ones usually studied in speckle fields are described by an half integer index. We point out here experimental detection of integer index polarization singularities, which present an higher order of symmetry. The plane wave decomposition allows us to compare the field relative phase shift between two orthogonal directions around half integer index polarization singularities and integer index ones.

Paper Details

Date Published: 24 August 2015
PDF: 11 pages
Proc. SPIE 9660, SPECKLE 2015: VI International Conference on Speckle Metrology, 96601B (24 August 2015); doi: 10.1117/12.2195472
Show Author Affiliations
Jan Dupont, ONERA (France)
Xavier Orlik, ONERA (France)

Published in SPIE Proceedings Vol. 9660:
SPECKLE 2015: VI International Conference on Speckle Metrology
Fernando Mendoza Santoyo; Eugenio R. Mendez, Editor(s)

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