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Photoinduced macroscopic chiral structures in a series of azobenzene copolyesters

Nedelchev, L., Nikolova, L., Matharu, A. and Ramanujam, P.S. (2002) Photoinduced macroscopic chiral structures in a series of azobenzene copolyesters. Applied Physics B-Lasers And Optics, 75 (75). pp. 671-676. ISSN 0946-2171

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Abstract

A study of the propagation of elliptically polarized light and the resulting formation of macroscopic chiral structures in a series of azobenzene side-chain copolyesters, in which the morphology is varied from liquid crystalline to amorphous, is reported. Real-time measurements are presented, showing the dynamic behavior of the photoinduced rotation of the polarization ellipse in the different samples. The relationship between the ellipticity of the recording light and the linear birefringence induced is studied. A numerical solution that takes into account the influence of the photoinduced linear dichroism on the light propagation through the samples is presented.

Item Type: Article
Academic Units: The University of York > Chemistry (York)
Depositing User: York RAE Import
Date Deposited: 12 Aug 2009 14:00
Last Modified: 12 Aug 2009 14:00
Published Version: http://dx.doi.org/10.1007/s00340-002-1027-0
Status: Published
Publisher: Springer Science + Business Media
Identification Number: 10.1007/s00340-002-1027-0
URI: http://eprints.whiterose.ac.uk/id/eprint/5624

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