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Opt Express. 2006 May 15;14(10):4479-85.

Photo-patterning micro-mirror devices using azo dye-doped cholesteric liquid crystals.

Abstract

A simple method for fabricating patternable micro-mirror devices by photo-induced alignment of dye-doped cholesteric liquid crystal (CLC) is demonstrated. The CLC texture can be changed from random distribution to nearly perfect planar by the photo-excited adsorbed dyes. This structure transformation leads to a substantial reflectivity increase. Using this photo-patterning technique, one- and two-dimensional micro-mirror arrays which function as gratings are also demonstrated.

PMID:
19516601
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