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Proceedings Paper

All-optical patterning of 3D microstructures in azo polymers: toward a full control of the molecular order
Author(s): Celine Fiorini; Jean-Michel Nunzi; Fabrice Charra; Paul Raimond
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Paper Abstract

One challenging requirement for the design of devices for photonic applications is to achieve complete manipulation of molecular order. The great latitude and flexibility of optical means offers interesting prospects for material engineering using light-matter interactions. Efficient spatial modulation of polymer macroscopic properties is usually achieved using holographic recording of an interference pattern between intense light-waves. However, patterning with polarized monochromatic beams results only in axial order (e.g. vertical or horizontal alignment). For second-order optical nonlinear processes, a polar organization is mandatory (e.g. upwards or downwards orientation). We report here on a new, purely optical technique based on a non-classical holographic process with coherent mixing of dual-frequency fields. It enables an efficient and complete 3-dimensional spatio-tensorial control of polymer micro-structures.

Paper Details

Date Published: 23 January 1997
PDF: 9 pages
Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); doi: 10.1117/12.264191
Show Author Affiliations
Celine Fiorini, LETI/CEA Saclay (France)
Jean-Michel Nunzi, LETI/CEA Saclay (France)
Fabrice Charra, LETI/CEA Saclay (France)
Paul Raimond, LETI/CEA Saclay (France)

Published in SPIE Proceedings Vol. 2998:
Photosensitive Optical Materials and Devices
Mark P. Andrews, Editor(s)

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