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Proceedings Paper

Build-up dynamics of fast organic photorefractive glasses
Author(s): Uwe Hofmann; M. Grasruck; Andre Leopold; Andreas Schreiber; Stefan Schloter; Stephan J. Zilker; Dietrich Haarer; Mukundan Thelakkat; Christoph Hohle; Hans-Werner Schmidt; Peter Strohriegl
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Paper Abstract

We present an organic photorefractive material based on a low molar mass glass with both photoconductive and nonlinear optical properties. By implementing a novel plasticizer and doping with the well known sensitizer C60 we obtained a composite material, which shows extremely fast initial response times of 2.5 ms at writing beam intensities of Iwrite equals 1 W/cm2 and 450 microsecond(s) at Iwrite equals 10.8 W/cm2. Combined with high refractive index modulations of up to (Delta) n equals 6 X 10-3 and sample lifetimes of over 6 months this material exhibits an excellent overall performance.

Paper Details

Date Published: 5 October 1999
PDF: 11 pages
Proc. SPIE 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers, (5 October 1999); doi: 10.1117/12.363917
Show Author Affiliations
Uwe Hofmann, Univ. Bayreuth (Germany)
M. Grasruck, Univ. Bayreuth (Germany)
Andre Leopold, Univ. Bayreuth (Germany)
Andreas Schreiber, Univ. Bayreuth (Germany)
Stefan Schloter, Univ. Bayreuth (Germany)
Stephan J. Zilker, Univ. Bayreuth (Netherlands)
Dietrich Haarer, Univ. Bayreuth (Germany)
Mukundan Thelakkat, Univ. Bayreuth (Germany)
Christoph Hohle, Univ. Bayreuth (Germany)
Hans-Werner Schmidt, Univ. Bayreuth (Germany)
Peter Strohriegl, Univ. Bayreuth (Germany)

Published in SPIE Proceedings Vol. 3799:
Organic Photorefractives, Photoreceptors, Waveguides, and Fibers
David H. Dunlap; Stephen Ducharme; Robert A. Norwood; David H. Dunlap; Robert A. Norwood, Editor(s)

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