Electrochromic and optical waveguide studies of corona-poled electro-optic polymer films

R. H. Page, M. C. Jurich, B. Reck, A. Sen, R. J. Twieg, J. D. Swalen, G. C. Bjorklund, C. G. Willson

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Abstract

Real-time monitoring of the corona-poling process that is used to create a bulk second-order nonlinear-optical susceptibility was accomplished by observing electrochromic shifts and intensity decreases of charge-transfer absorption bands in both dye-doped and covalently functionalized polymer films. By measuring small changes in the refractive-index anisotropy, the optical waveguiding technique was demonstrated to be a sensitive measure of the poling-induced order and its relaxation. The guest-host systems were formed from the dyes NN-dimethylaminonitrostilbene, NN-dimethylindoaniline (Phenol Blue), and 4-(N-(2-hydroxyethyl)- N-ethyl)-amino-4’-nitroazobenzene (Disperse Red 1), each dissolved in a poly(methyl methacrylate) matrix. The covalently functionalized polymers contained pendant para-nitroaniline (PNA) moieties. The first, poly(N-(4-nitrophenyl)allylamine), was formed from a poly(allylamine) derivative and is called PPNA. The second was based on poly(hydroxystyrene), with PNA attachment occurring between the phenol group and the PNA hydroxyethyl group; this polymer is named PHS-MENA. The final polymer is a linear epoxy (bisphenol A) with the PNA amino N atoms forming a link in the main chain; it is called Bis A-NA. A sample calculation demonstrated the use of experimental electrochromic spectral data to estimate the electro-optic coefficients.

Original languageEnglish (US)
Pages (from-to)1239-1250
Number of pages12
JournalJournal of the Optical Society of America B: Optical Physics
Volume7
Issue number7
DOIs
StatePublished - Jul 1990

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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    Page, R. H., Jurich, M. C., Reck, B., Sen, A., Twieg, R. J., Swalen, J. D., Bjorklund, G. C., & Willson, C. G. (1990). Electrochromic and optical waveguide studies of corona-poled electro-optic polymer films. Journal of the Optical Society of America B: Optical Physics, 7(7), 1239-1250. https://doi.org/10.1364/JOSAB.7.001239