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 originale | Anglais |
|---|---|
| Pages (de - à) | 583-588 |
| Nombre de pages | 6 |
| journal | Materials Research Society Symposium - Proceedings |
| Volume | 435 |
| état | Publié - 1 déc. 1996 |
| Evénement | Proceedings of the 1996 MRS Spring Symposium - San Francisco, CA, USA Durée: 8 avr. 1996 → 12 avr. 1996 |
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