Build-up dynamics of fast organic photorefractive glasses

Uwe Hofmann; M. Grasruck; Andre Leopold; Andreas Schreiber; Stefan Schloter; Stephan J. Zilker; Dietrich Haarer; Mukundan Thelakkat; Christoph Hohle; Hans-Werner Schmidt; Peter Strohriegl

doi:10.1117/12.363917

5 October 1999 Build-up dynamics of fast organic photorefractive glasses

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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Proceedings Volume 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers; (1999) https://doi.org/10.1117/12.363917
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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 I_write equals 1 W/cm² and 450 microsecond(s) at I_write 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.

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Uwe Hofmann, M. Grasruck, Andre Leopold, Andreas Schreiber, Stefan Schloter, Stephan J. Zilker, Dietrich Haarer, Mukundan Thelakkat, Christoph Hohle, Hans-Werner Schmidt, and Peter Strohriegl "Build-up dynamics of fast organic photorefractive glasses", Proc. SPIE 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers, (5 October 1999); https://doi.org/10.1117/12.363917

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