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Article Dans Une Revue Journal of the Optical Society of America B Année : 2007

Spontaneous photoinduced patterning of azo-dye polymer films: the facts

Résumé

We describe the spontaneous photoinduced patterning of azo-dye polymer films. We have observed that the illumination of an azo-dye polymer film by a uniform single laser beam with normal incidence leads to a self-structurization process that results in the formation of well-ordered submicrometer-sized structures whose organization depends on the light polarization direction. A modulation depth as high as 100 nm can be achieved. The influence of several experimental parameters on the structure formation is studied. Results are discussed and confronted to different models and phenomena already investigated in the literature. A physical origin to this peculiar photopatterning process is proposed
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hal-00376456 , version 1 (14-05-2019)

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Christophe Hubert, Céline Fiorini-Debuisschert, Rocha Licinio, Paul Raimond, Jean-Michel Nunzi. Spontaneous photoinduced patterning of azo-dye polymer films: the facts. Journal of the Optical Society of America B, 2007, 24 (8), pp.1839. ⟨10.1364/JOSAB.24.001839⟩. ⟨hal-00376456⟩
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