Polymeric Heterostructure Thin Films

W. C. Egbert; D. J. Gerbi; D. A. Ender; J. Stevens

doi:10.1117/12.943964

3 May 1988 Polymeric Heterostructure Thin Films

W. C. Egbert, D. J. Gerbi, D. A. Ender, J. Stevens

Proceedings Volume 0878, Multifunctional Materials; (1988) https://doi.org/10.1117/12.943964
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The nonlinear optical response of organic and polymeric materials arises from the polarization response of delocalized π-electrons. The susceptibility x(2) or x(3) is the macroscopic observable tensor sum of the molecular hyperpolarizabilities β or γ including the effects of molecular response and orientation within the sample. A two-dimensional thin film provides a different local environment for the π electrons responsible for the fast (femtosecond) purely electronic optical nonlinearity of organic materials from three-dimensional analogues. Langmuir-Blodgett thin film technology is well suited to production of two-dimensional films and layered structures incorporating molecules, even with different nonlinear optical properties in each layer. This paper describes a program for fabrication and evaluation of organic heterostructure thin films by the Langmuir-Blodgett technique for applications to nonlinear optics.

Citation Download Citation

W. C. Egbert, D. J. Gerbi, D. A. Ender, and J. Stevens "Polymeric Heterostructure Thin Films", Proc. SPIE 0878, Multifunctional Materials, (3 May 1988); https://doi.org/10.1117/12.943964

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