Biphotonic holographic  gratings in azobenzene  polyesters: Surface  relief phenomena  and polarization effects

C. Sánchez; R. Alcalá; Søren Hvilsted; P.S. Ramanujam

doi:10.1063/1.1290604

Biphotonic holographic gratings in azobenzene polyesters: Surface relief phenomena and polarization effects

C. Sánchez, R. Alcalá, Søren Hvilsted, P.S. Ramanujam

University of Zaragoza

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Biphotonic holographic gratings have been recorded in a side-chain azobenzene liquid crystalline polyester using a blue incoherent source and a He-Ne laser. Intensity gratings and the appearance of surface relief have been observed when two linearly polarized beams from a He-Ne laser are made to interfere on a film illuminated with blue light. Polarized holographic gratings are also created with two orthogonally circularly polarized He-Ne beams. All these gratings are stable in darkness but can be erased with blue light. (C) 2000 American Institute of Physics.

Original language	English
Journal	Applied Physics Letters
Volume	77
Issue number	10
Pages (from-to)	1440-1442
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.1290604
Publication status	Published - 2000

Bibliographical note

Copyright (2000) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

Keywords

SPECTROSCOPY
DIFFRACTION
POLYMER-FILMS
LIQUID-CRYSTALLINE POLYESTER
SIDE-CHAIN
REVERSIBLE OPTICAL STORAGE

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Cite this

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