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1 August 2007 Laser induced reorientation process in dye-doped nematic systems: role of the azo-dye structure
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Proceedings Volume 6785, ROMOPTO 2006: Eighth Conference on Optics; 67850U (2007) https://doi.org/10.1117/12.757843
Event: ROMOPTO 2006: Eighth Conference on Optics, 2006, Sibiu, Romania
Abstract
Photoinduced molecular reorientation in dye-doped liquid crystal cells has been studied for a set of azodyes with a "pump-probe" optical device. The rotating angle of the nematic director as a function of irradiation time has been calculated. The lateral chemical groups of the azo-dye molecules have not an important influence on the orientation effect; this aspect supports the idea that the trans-cis photoisomerization of the dye molecules is the predominant mechanism responsible for the molecular reorientation in azo-dye-doped liquid crystal systems.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nicoleta Eseanu, Constanta Dascalu, Ion Palarie, and Cornelia Uncheselu "Laser induced reorientation process in dye-doped nematic systems: role of the azo-dye structure", Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 67850U (1 August 2007); https://doi.org/10.1117/12.757843
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