Quadratic Electrooptic Modulation Of Dye-Doped Polymers: Measurement Of Third Order Electronic Nonlinear Optical Susceptibilities

M. G. Kuzyk; R. C. Moore; J. E. Sohn; L. A. King; C. W. Dirk

doi:10.1117/12.962124

15 January 1990 Quadratic Electrooptic Modulation Of Dye-Doped Polymers: Measurement Of Third Order Electronic Nonlinear Optical Susceptibilities

M. G. Kuzyk, R. C. Moore, J. E. Sohn, L. A. King, C. W. Dirk

Author Affiliations +

Proceedings Volume 1147, Nonlinear Optical Properties of Organic Materials II; (1990) https://doi.org/10.1117/12.962124
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Quadratic electrooptic modulation of thin dye-doped polymer films is used to evaluate the electronic third-order susceptibility, χ(3) . To determine this susceptibility, the other contributing mechanisms, including orientational effects, electrostriction, electrode attraction, trapped charge movement, and heating, must be considered. The two dominant non-electronic effects are the orientational effect and the electric field-induced electrooptic effect. The degree of molecular motion of the dye molecules in the polymer matrix is measured with electric field-induced second-harmonic generation below the glass transition temperature of the composite. The microscopic orientational elastic constants, as determined from these second-harmonic measurements, are used to predict the orientational contributions. The molecular electronic third-order susceptibility of a poly(methyl methacrylate)/azo dye system, determined with the electrooptic measurement, is consistent with values derived from third-harmonic generation measurements.

Citation Download Citation

M. G. Kuzyk, R. C. Moore, J. E. Sohn, L. A. King, and C. W. Dirk "Quadratic Electrooptic Modulation Of Dye-Doped Polymers: Measurement Of Third Order Electronic Nonlinear Optical Susceptibilities", Proc. SPIE 1147, Nonlinear Optical Properties of Organic Materials II, (15 January 1990); https://doi.org/10.1117/12.962124

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