Side-chain liquid-crystalline polyesters for optical information storage

Søren Hvilsted, F. Andruzzi, P.S. Ramanujam

    Research output: Contribution to journalJournal articleResearchpeer-review


    We report erasable holographic recording with a resolution of at least 2500 lines/mm on unoriented films of side-chain liquid-crystalline polyesters. Recording energies of approximately 1 J/cm2 have been used. We have obtained a diffraction efficiency of approximately 30% with polarization recording of holograms. The holograms can be erased by heating them to approximately 80-degrees-C for approximately 2 min and are available for rerecording.
    Original languageEnglish
    JournalOptics Letters
    Issue number17
    Pages (from-to)1234-1236
    Publication statusPublished - 1992


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