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18 June 2004 Kinetics of photoizomerization of DR1 molecules embedded in solid matrix by a dynamic holography method
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Abstract
The dynamic holography method is applied to determine the response time for trans-cis-trans izomerization process in DR1 chromophore embedded in a solid polymer matrix. The experiments were performed on free standing films using a pulsed ps laser for grating writing and a cw laser for it reading. It is found that the writing process may be well described by a mono-exponential curve with a time constant below ms while the decay process is more complicated and can be approximated by a bi-exponential equation with two response times, significantly larger than for the writing process.
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Ileana Rau, Stanislaw Bartkiewicz, Andrzej Miniewicz, Bouchta Sahraoui, and Francois Kajzar "Kinetics of photoizomerization of DR1 molecules embedded in solid matrix by a dynamic holography method", Proc. SPIE 5351, Organic Photonic Materials and Devices VI, (18 June 2004); https://doi.org/10.1117/12.543141
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