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Proceedings Article

Photorefractivity in new organic polymeric materials

[+] Author Affiliations
Constantina Poga, Donald M. Burland, Yan Jia, Christopher R. Moylan, Robert J. Twieg

IBM Almaden Research Ctr. (USA)

Thomas Hanemann

Forschungszentrum Karlsruhe GmbH (Germany)

John J. Stankus

Motrola Corp. (USA)

William E. Moerner

Univ. of California/San Diego (USA)

Proc. SPIE 2526, Xerographic Photoreceptors and Photorefractive Polymers, 82 (August 23, 1995); doi:10.1117/12.217306
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From Conference Volume 2526

  • Xerographic Photoreceptors and Photorefractive Polymers
  • Stephen Ducharme; Paul M. Borsenberger
  • San Diego, CA, United States | July 09, 1995

abstract

Two experimental studies of new photorefractive polymer materials are described. First, an examination of the fabrication, stability, and photorefractive behavior of a recently-reported high-efficiency polymeric composite 33%PVK:50%DMNPAA:16%ECZ:1%TNF (K. Merrholz et at., Nature 371, 497) shows that this material is metastable, crystallizing on time scales from hours to days depending upon preparation. The grating phase shift also varies considerably from sample to sample. In the second part of this paper, first measurements and analysis of the properties of a new photorefractive polymer composite which contains a liquid nonlinear optical chromophore are presented. This new composite, which is immune to crystallization even at high chromophore loading levels, shows a useful diffraction efficiency of several percent at high fields, but the index of refraction grating is shown to consist of two components; a smaller photorefractive index grating and a grating which is not photorefractive in origin as shown by grating translation measurements.

© (1995) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Constantina Poga ; Donald M. Burland ; Thomas Hanemann ; Yan Jia ; Christopher R. Moylan, et al.
"Photorefractivity in new organic polymeric materials", Proc. SPIE 2526, Xerographic Photoreceptors and Photorefractive Polymers, 82 (August 23, 1995); doi:10.1117/12.217306; http://dx.doi.org/10.1117/12.217306


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