Journal of Sol-Gel Science and Technology

, Volume 2, Issue 1–3, pp 779–782 | Cite as

Modified sol-gel films for optical storage

Code: FP16
  • Frédéric Chaput
  • Jean-Pierre Boilot
  • Didier Riehl
  • Yves Lévy
Article

Abstract

Substituted azobenzene molecules (DR1, DO3, DR17, DY7, Magneson1, DR19C1 and DR19CICI) are grafted onto a silicon alkoxide precursor. Films are prepared by the sol-gel process. We have conducted preliminary optical experiments with DR1 and DO3 functionalized oxide gels. Optical information is written on the sol-gel film via the trans-cis-trans photoisomerization process with a polarized argon laser beam and read with a low power He-Ne laser. A stable signal (up to 60% of the maximum birefringence) is read a long time after the writing beam had been turned off. This shows the ability of the azo oxide gels to store optical information.

Keywords

azooxide gel photoisomerization birefringence functionalized alkoxide 

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Copyright information

© Kluwer Academic Publishers 1994

Authors and Affiliations

  • Frédéric Chaput
    • 1
  • Jean-Pierre Boilot
    • 1
  • Didier Riehl
    • 2
  • Yves Lévy
    • 2
  1. 1.Groupe de Chimie du SolideLaboratoire de Physique de la Matière Condensée, CNRS URA 1254D Ecole PolytechniquePalaiseauFrance
  2. 2.Institut d'Optique Théorique et Appliquée, CNRS URA 14 Bat. 503OrsayFrance

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