Side-chain liquid crystalline polyesters for optical information storage

P.S. Ramanujam, Christian Holme, Søren Hvilsted, Marianne Pedersen, Fulvio Andruzzi, Massimo Paci, Eliana L. Tassi, Pierluigi Magagnini, Uwe Hoffman, Ingo Zebger, Heinz W Siesler

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    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
    Volume7
    Issue number9
    Pages (from-to)768-776
    ISSN1042-7147
    DOIs
    Publication statusPublished - 1996

    Keywords

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

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