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

Publication: Research - peer-reviewJournal article – Annual report year: 2000

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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 languageEnglish
JournalApplied Physics Letters
Publication date2000
Volume77
Issue10
Pages1440-1442
ISSN0003-6951
DOIs
StatePublished

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.

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Keywords

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