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  • Title: Thermomechanical effects in uniformly aligned dye-doped nematic liquid crystals.
    Author: Krimer DO, Residori S.
    Journal: Eur Phys J E Soft Matter; 2007 May; 23(1):77-82. PubMed ID: 17522757.
    Abstract:
    We show theoretically that thermomechanical effects in dye-doped nematic liquid crystals when illuminated by laser beams, can become important and lead to molecular reorientation at intensities substantially lower than that needed for optical Fréedericksz transition. We propose a 1D model that assumes homogenous intensity distribution in the plane of the layer and is capable to describe such a thermally induced threshold lowering. We consider a particular geometry, with a linearly polarized light incident perpendicularly on a layer of homeotropically aligned dye-doped nematics.
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