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Article Dans Une Revue Optical Materials Express Année : 2018

Intrinsic and photo-induced properties of high refractive index azobenzene based thin films [Invited]

Résumé

We explore the limits of the photosensitive response of thin, 15 to 35 nm, films of complex azobenzene dyes. They show high refractive index, reaching 1.8, and significant photo-induced birefringence. We have successfully recorded strong, birefringent phase gratings with visible light and used the diffraction efficiency measurements to monitor their temporal evolution. The photo-induced gratings in such thin films were found not to be associated with any periodic surface relief, a typical feature in thicker azobenzene layers.
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Dates et versions

hal-01691569 , version 1 (20-11-2023)

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Citer

E. Mavrona, S. Mailis, N. Podoliak, G. d'Alessandro, N. Tabiryan, et al.. Intrinsic and photo-induced properties of high refractive index azobenzene based thin films [Invited]. Optical Materials Express, 2018, 8 (2), pp.420-430. ⟨10.1364/OME.8.000420⟩. ⟨hal-01691569⟩
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