Electro-optic tensor ratio determination of side-chain copolymers with electro-optic interferometry

R. A. Norwood, M. G. Kuzyk, R. A. Keosian

Research output: Contribution to journalArticlepeer-review

57 Scopus citations


Electro-optic interferometry is used to measure the ratio of the electro-optic coefficients r13 and r33 for N-methacryloxyethyl-N-methylaminonitrostilbene/methyl methacrylate (DANS/MMA) and dicyanovinyl-hexatriene/methyl methacrylate (DCVHT/MMA) side-chain copolymers. The electro-optic interferometer uses a reflection modified Mach-Zehnder configuration, and results are compared with those obtained by the phase modulated reflection technique [C. C. Teng and H. T. Man, Appl. Phys. Lett. 56, 1734 (1990)]. Tensor ratios r33/r13 of 3.34 and 5.92 were found for DANS/MMA and DCVHT/MMA, respectively, for poling fields of 100 V/μm. Disagreement between the two techniques may derive from a piezoelectric contribution to the measurements or from restricted motion of the chromophores during poling.

Original languageEnglish (US)
Pages (from-to)1869-1874
Number of pages6
JournalJournal of Applied Physics
Issue number4
StatePublished - 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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