Kinetics of photoizomerization of DR1 molecules embedded in solid matrix by a dynamic holography method

Ileana Rau; Stanislaw Bartkiewicz; Andrzej Miniewicz; Bouchta Sahraoui; Francois Kajzar

doi:10.1117/12.543141

18 June 2004 Kinetics of photoizomerization of DR1 molecules embedded in solid matrix by a dynamic holography method

Ileana Rau, Stanislaw Bartkiewicz, Andrzej Miniewicz, Bouchta Sahraoui, Francois Kajzar

Proceedings Volume 5351, Organic Photonic Materials and Devices VI; (2004) https://doi.org/10.1117/12.543141
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

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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