Article (Scientific journals)
Customization of a self-processing polymer for obtaining specific diffractive optical elements
Carre, Christiane; Saint-Georges, Philippe; Lenaerts, Cedric et al.
2002In Synthetic Metals, 127, p. 291-294
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Keywords :
polymer recording material; photopolymerization; diffractive optical elements; substrate-mode holography; polarizing elements
Abstract :
[en] Photopolymerizable materials are capable of recording volume holograms via a change in refractivity of the layer. On illumination by an interference pattern around 500 nm, polymerization and diffusion led to regions with various segment densities. A modulation of the refractive index took place, thus giving rise to permanent thick phase gratings created in situ in the emulsion. This modulation was estimated at 7 x 10(-3), corresponding to diffraction efficiencies of ca. 80% for transmission holography. Applications for the fabrication of diffractive optical elements can be expected in view of the experimental results and the simplicity of use. For instance, the duplication of computer-generated holograms on a photopolymerizable film led to thick phase holograms with higher diffraction efficiencies. Substrate-mode polarizing elements were also produced, taking advantage of the laminated property since this emulsion was embedded between two glass plates. (C) 2002 Elsevier Science B.V. All rights reserved.
Research center :
Département de Photochimie Générale, ENS Mulhouse
Hololab, Service de physique Générale, ULG
Disciplines :
Chemistry
Materials science & engineering
Physics
Author, co-author :
Carre, Christiane
Saint-Georges, Philippe ;  Université de Liège - ULiège > Département de physique > Physique des atomes froids
Lenaerts, Cedric ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Renotte, Yvon  ;  Université de Liège - ULiège > Département de physique > Département de physique
Language :
English
Title :
Customization of a self-processing polymer for obtaining specific diffractive optical elements
Publication date :
26 March 2002
Journal title :
Synthetic Metals
ISSN :
0379-6779
Publisher :
Elsevier Science Sa, Lausanne, Switzerland
Volume :
127
Pages :
291-294
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
CNRS - Centre National de la Recherche Scientifique [FR]
CGRI - Commissariat général aux Relations internationales [BE]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Région Alsace [FR]
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