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Proceedings Paper

Temperature dependencies in organic photorefractive materials
Author(s): Andre Leopold; Ralf Bausinger; Dietrich Haarer; Jolita Ostrauskaite; Mukundan Thelakkat
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Paper Abstract

Altering the sample temperature in a photorefractive material changes the rotational mobility of the chromophores. A change of three orders of magnitude in the response times over a temperature change of 12 K has been observed. In the photorefractive experiment, however, the chromophore orientation is induced by the non-instantaneous change of the space charge field. The finite speed of the latter causes the chromophore answer to be different from their normal relaxation behaviour to an instantaneous change. This effect is most pronounced when both time constants are in the same range.

Paper Details

Date Published: 5 November 2002
PDF: 9 pages
Proc. SPIE 4802, Organic Photorefractive and Photosensitive Materials for Holographic Applications, (5 November 2002); doi: 10.1117/12.452433
Show Author Affiliations
Andre Leopold, Univ. of Bayreuth (Germany)
Ralf Bausinger, Univ. of Bayreuth (Germany)
Dietrich Haarer, Univ. of Bayreuth (Germany)
Jolita Ostrauskaite, Univ. of Bayreuth (Germany)
Mukundan Thelakkat, Univ. of Bayreuth (Germany)

Published in SPIE Proceedings Vol. 4802:
Organic Photorefractive and Photosensitive Materials for Holographic Applications
Klaus Meerholz, Editor(s)

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