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Photorefractive sol-gel materials

  • F. Chaput
  • , B. Darracq
  • , J. P. Boilot
  • , D. Riehl
  • , T. Gacoin
  • , M. Canva
  • , Y. Levy
  • , A. Brun

Résultats de recherche: Contribution à un journalArticle de conférenceRevue par des pairs

Résumé

We report the synthesis and characterization of photorefractive sol-gel materials that possess covalently attached push-pull azobenzene and carbazole moieties. Molecular structural characterization of the modified silane monomers was achieved by 1H NMR and infra red spectroscopy. The second-order nonlinear optical properties of the organic-inorganic hybrid films prepared from modified silane monomers were evaluated by second-harmonic generation. The stabilized value of the second harmonic coefficient, d33, of films poled by corona discharge, at 1064 nm fundamental wavelength was found to be 107 pm/V. Photorefractivity was clearly displayed from a two beam coupling experiment.

langue originaleAnglais
Pages (de - à)583-588
Nombre de pages6
journalMaterials Research Society Symposium - Proceedings
Volume435
étatPublié - 1 déc. 1996
EvénementProceedings of the 1996 MRS Spring Symposium - San Francisco, CA, USA
Durée: 8 avr. 199612 avr. 1996

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