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AZO Polymers for Reversible Optical Storage

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Abstract

Amorphous high-Tg polymers films containing electron-donor-electronacceptor substituted azobenzene groups can be used as reversible optical storage materials. Optical information can be “written” on the film with a polarized argon laser beam and “read” with a low power HeNe laser. Erasing can be performed with a circularly polarized writing beam. A significant number of writing/erasing cycles can be performed on the same spot. Potential applications in optical memory, holographic storage, waveguides and second harmonic generation are discussed.

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Acknowledgments

We thank NSERC Canada, the Department of National Defense, Canada and Queen’s University for financial support of this work. Helpful discussions with Prof. M. Fujihara (Tokyo Institute of Technology) are also acknowledged.

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Authors and Affiliations

  1. Department of Chemistry, Queen’s University, Kingston, Ontario, K7L 3N6, Canada

    A. Natansohn & S. Xie

  2. Department of Physics, Royal Military College, Kingston, Ontario, K7K 5LO, Canada

    P. Rochon & J. Gosselin

Authors
  1. A. Natansohn
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  2. P. Rochon
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  3. J. Gosselin
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  4. S. Xie
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Natansohn, A., Rochon, P., Gosselin, J. et al. AZO Polymers for Reversible Optical Storage. MRS Online Proceedings Library 277, 57–62 (1992). https://doi.org/10.1557/PROC-277-57

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  • DOI: https://doi.org/10.1557/PROC-277-57

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