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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 7, Iss. 3 — Mar. 1, 1990
  • pp: 309–312

Solution-phase dielectric characterization of the 4-amino-4′-dicyanovinylazobenzene nonlinear-optical chromophore

H. E. Katz, M. L. Schilling, and G. E. Washington  »View Author Affiliations


JOSA B, Vol. 7, Issue 3, pp. 309-312 (1990)
http://dx.doi.org/10.1364/JOSAB.7.000309


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Abstract

The dielectric constants of solutions of 4-amino-4′-dicyanovinylazobenzene chromophore (DCV) at a wide range of concentrations in dioxane were measured. The chromophore dipole moment was determined to be 9.4 D in dioxane and in methyl trimethylacetate. Somewhat smaller values for the dipole moment were obtained when the chromophore was dissolved in chloroform or when it was covalently attached to a polymethacrylate backbone. No significant nonlinearity was observed in plots of dielectric constant versus concentration, even at concentrations approaching the solubility limit. Theoretical modeling indicates that such nonlinearity would have been observed if appreciable aggregation had occurred. It is predicted that dipole-dipole aggregation should not diminish the electric-field-induced alignment achievable in macroscopically homogeneous DCV-containing materials.

© 1990 Optical Society of America

History
Original Manuscript: August 7, 1989
Manuscript Accepted: November 16, 1989
Published: March 1, 1990

Citation
H. E. Katz, M. L. Schilling, and G. E. Washington, "Solution-phase dielectric characterization of the 4-amino-4′-dicyanovinylazobenzene nonlinear-optical chromophore," J. Opt. Soc. Am. B 7, 309-312 (1990)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-7-3-309

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