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Proceedings Paper

Excited state characterization of squaraine dye-doped polymers
Author(s): Karen S. Mathis; Mark G. Kuzyk; Carl W. Dirk; Sergio Martinez; H. Selnau; Patrick Craig; Leslie Green
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Paper Abstract

The imaginary part of the third order nonlinear optical susceptibility is evaluated for several squaraine dyes to determine the characteristics of their excited states. Quadratic electroabsorption and linear absorption spectroscopy are used for this evaluaiton as well as to determine mechanisms responsible for the nonlinear optical properties of these dye-doped polymers. THe value of (chi) (3) (in which we use an optical field to probe the effect of a static field) is of importance in evaluating the applicability of these thin-films dyes to all- optical devices. The nonlinear responses are compared to the three- and four-level models to help determine which models are most suitable for predicting nonlinear behavior.

Paper Details

Date Published: 5 October 1995
PDF: 10 pages
Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995); doi: 10.1117/12.222794
Show Author Affiliations
Karen S. Mathis, Washington State Univ. (United States)
Mark G. Kuzyk, Washington State Univ. (United States)
Carl W. Dirk, Univ. of Texas/El Paso (United States)
Sergio Martinez, Univ. of Texas/El Paso (United States)
H. Selnau, Univ. of Texas/El Paso (United States)
Patrick Craig, Univ. of Texas/El Paso (United States)
Leslie Green, Univ. of Texas/El Paso (United States)


Published in SPIE Proceedings Vol. 2527:
Nonlinear Optical Properties of Organic Materials VIII
Gustaaf R. Moehlmann, Editor(s)

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