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Opt Lett. 2002 Jan 15;27(2):92-4.

Polarization reflection holographic gratings in azobenzene-containing gelatine films.

Abstract

We have written polarization reflection holograms in an azobenzene-containing material. Two waves with circular polarization were used to record the gratings; the light resulting from their overlap induces chirality in the samples. The holographic reflection of the polarization gratings has the properties of Bragg reflection in cholesteric liquid crystals.

PMID:
18007722
[PubMed]
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