Photorefractivity and photoisomerization in azo-dye-doped polymers

B. Kippelen, Sandalphon, K. Meerholz, B. Volodin, S. R. Lyon, A. B. Padias, H. K. Hall, N. Peyghambarian

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations


The photorefractive properties of photoconducting polymers doped with nonlinear azo dyes are investigated by means of polarization and field-dependent four-wave mixing experiments. The nonlocal response of the photorefractive effect is shown by two-beam coupling experiments. High diffraction efficiencies (>5%) and net coupling gain (6 cm-1) are demonstrated at low power with a semiconductor laser diode in 105 μm films. Under some conditions, gratings due to photoisomerization of the azo dye molecules are also present and their properties are discussed.

Original languageEnglish (US)
Title of host publicationElectrical, Optical, and Magnetic Properties of Organic Solid State Materials
EditorsAnthony F. Garito, Alex K-Y. Jen, Charles Y-C. Lee, Larry R. Dalton
PublisherPubl by Materials Research Society
Number of pages6
ISBN (Print)1558992278
StatePublished - 1994
EventProceedings of the MRS 1993 Fall Meeting - Boston, MA, USA
Duration: Nov 29 1993Dec 3 1993

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


OtherProceedings of the MRS 1993 Fall Meeting
CityBoston, MA, USA

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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