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Gindre D, Boeglin A, Fort A, et al. Rewritable optical data storage in azobenzene copolymers. Opt Express. 2006;14(21):9896-901doi: 10.1364/oe.14.009896.
Gindre, D., Boeglin, A., Fort, A., Mager, L., & Dorkenoo, K. D. (2006). Rewritable optical data storage in azobenzene copolymers. Optics express, 14(21), 9896-901. https://doi.org/10.1364/oe.14.009896
Gindre, Denis, et al. "Rewritable optical data storage in azobenzene copolymers." Optics express vol. 14,21 (2006): 9896-901. doi: https://doi.org/10.1364/oe.14.009896
Gindre D, Boeglin A, Fort A, Mager L, Dorkenoo KD. Rewritable optical data storage in azobenzene copolymers. Opt Express. 2006 Oct 16;14(21):9896-901. doi: 10.1364/oe.14.009896. PMID: 19529382.
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Opt Express. 2006 Oct 16;14(21):9896-901. doi: 10.1364/oe.14.009896.

Rewritable optical data storage in azobenzene copolymers.

Optics express

Denis Gindre, Alex Boeglin, Alain Fort, Loïc Mager, Kokou D Dorkenoo

PMID: 19529382 DOI: 10.1364/oe.14.009896

Abstract

We propose to encode optical information through the localized depoling of polar chromophores in thin films of grafted polymeric materials with a femtosecond near IR laser source. This disorientation is promoted through the photoisomerization of the azo-dye component induced by a twophoton absorption process. We show that the resulting localized loss in second harmonic generation efficiency can be exploited in data storage applications. The low irradiation powers used allow for a recycling by reheating and repoling the films leading to a rewritable system.

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