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First prototypes of vortex retarders obtained by polarization holography

Piron, P. and Blain, P. and Décultot, M. and Mawet, D. and Habraken, S. (2014) First prototypes of vortex retarders obtained by polarization holography. In: Polarization: Measurement, Analysis, and Remote Sensing XI. Proceedings of SPIE. No.9099. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 909911. ISBN 9781628410365.

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This paper will present the first prototypes of vortex retarders made of photo-orientable liquid crystals polymers recorded without mechanical action using only polarization holography. Vortex retarders are birefringent plates characterized by a uniform phase retard and a rotation of their fast axis along their center. Liquid crystals are anisotropic molecules possessing birefringent properties. They are locally orientable and their orientation defines the fast axis orientation of the retarder. Their alignment depends on the local orientation of the recording electric field. The superimposition of several polarized beams will be used to shape the electric field to achieve the recording of vortex retarders. The mathematical aspects of the superimposition process, as well as several numerical simulations are exposed. Finally, the first prototypes are presented, characterized and compared to the numerical simulations.

Item Type:Book Section
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Mawet, D.0000-0002-8895-4735
Additional Information:© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE). The author was funded by the ” Fond pour la formation à la Recherche dans l’Industrie et l’Agriculture” (FRIA). The author would like to thanks Loïc Lichawski for his help during his work.
Funding AgencyGrant Number
Fonds pour la Formation à la Recherche dans l’índustrie et dans l’Ágriculture (FRIA-Belgium)UNSPECIFIED
Subject Keywords:Polarization, Holography, Liquid Crystal Polymers, Vectorial vortex
Series Name:Proceedings of SPIE
Issue or Number:9099
Record Number:CaltechAUTHORS:20180618-141806560
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Official Citation:P. Piron, P. Blain, M. Décultot, D. Mawet, S. Habraken, "First prototypes of vortex retarders obtained by polarization holography", Proc. SPIE 9099, Polarization: Measurement, Analysis, and Remote Sensing XI, 909911 (21 May 2014); doi: 10.1117/12.2052830;
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87197
Deposited By: George Porter
Deposited On:18 Jun 2018 21:49
Last Modified:15 Nov 2021 20:46

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