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23 January 1997 All-optical patterning of 3D microstructures in azo polymers: toward a full control of the molecular order
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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.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Celine Fiorini, Jean-Michel Nunzi, Fabrice Charra, and Paul Raimond "All-optical patterning of 3D microstructures in azo polymers: toward a full control of the molecular order", Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); https://doi.org/10.1117/12.264191
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