Colloque

Reversible Dye Doped Holographic Photopolymer Materials for Reconfigurable Optical Data Storage

Patrice Nagtegaele

Amir Tork

Tigran V. Galstian

Membre a labase

Patrice Nagtegaele

Résumé du colloque

New self-developing reversible dye doped holographic photopolymer materials were recently developed in our laboratory, which are sensitive from the green to near infrared wavelengths (500-850 nm). Up to day, polymer dispersed liquid crystals were used in similar systems to increase the refractive index modulation. In this work we have shown, for the first time to our knowledge, that a new functionality of optical reconfiguration may be introduced if a reversible photosensitive dye is doped in the material. The present compound is a multifunctional acrylic based photopolymerizable material. Reversible dye and organic compound serve as solvent and refractive index increasing agents. In addition, this dye may replace partially the liquid crystal function. Holographic recording characteristics of these materials were investigated. We have demonstrated that, the diffraction efficiency of recorded holograms and material sensitivity are high. We believe that these materials are very promising for permanent reconfigurable optical data storage applications.

Contexte

Section :

Matériaux et composants photoniques

Thème du colloque :

Matériaux et composants photoniques

Hôte : Université de Sherbrooke

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