Journal
LIQUID CRYSTALS
Volume 34, Issue 1, Pages 1-7Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02678290500502426
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For the first time a comparative study of holographic recording in planarly oriented films of nematic and cholesteric azobenzene-containing polymers was performed. The influence of temperature and light intensity on the values of diffraction efficiencies of holographic gratings was investigated. The kinetics of grating relaxation at different temperatures was studied. It was shown that the helical supramolecular structure of cholesteric copolymer causes a significant decrease of the diffraction efficiency in comparison with the one observed for the nematic state of the homopolymer.
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