Side-chain liquid crystalline polyesters for optical information storage

Publication: Research - peer-reviewJournal article – Annual report year: 1996

  • Author: Ramanujam, P.S.

    Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Denmark

  • Author: Holme, Christian

    Risø National Laboratory, DK-4000 Roskilde, Denmark, Optics and Fluid Dynamics Department

  • Author: Hvilsted, Søren

    Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Denmark

  • Author: Pedersen, Marianne

    Risø National Laboratory, DK-4000 Roskilde, Denmark, Department of Solid State Physics

  • Author: Andruzzi, Fulvio

    CNR, Centro Studi Processi Ionici de Polimerizzazione, Dipartimento di Ingegneria Chimica, Facoltà di Ingegneria

  • Author: Paci, Massimo

    Università degli Studi di Pisa

  • Author: Tassi, Eliana L.

    Università degli Studi di Pisa

  • Author: Magagnini, Pierluigi

    Università degli Studi di Pisa

  • Author: Hoffman, Uwe

    University of Essen, D-45117 Essen, Germany, Department of Physical Chemistry

  • Author: Zebger, Ingo

    University of Essen, D-45117 Essen, Germany, Department of Physical Chemistry

  • Author: Siesler, Heinz W

    University of Essen, D-45117 Essen, Germany, Department of Physical Chemistry

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Azobenzene side-chain liquid crystalline polyester structures suitable for permanent optical storage are described. The synthesis and characterization of the polyesters together with differential scanning calorimetry and X-ray investigations are discussed. Optical anisotropic investigations and holographic storage in one particular polyester are described in detail and polarized Fourier transform infrared spectroscopic data complementing the optical data are presented. Optical and atomic force microscope investigations point to a laser-induced aggregation as responsible for permanent optical storage.
Original languageEnglish
JournalPolymers for Advanced Technologies
Publication date1996
Volume7
Issue9
Pages768-776
ISSN1042-7147
DOIs
StatePublished
CitationsWeb of Science® Times Cited: No match on DOI

Keywords

  • Azobenzene polymers, Holography, Optical information storage, Liquid crystals
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