Optical article containing a transmission medium exhibiting a hi

Details Optical article containing a transmission medium exhibiting a hi Optical article containing a transmission medium exhibiting a hi

1987-09-28

1989-12-12

Lee, John D.

350 9629, G02B 600, G02B 108

Patent

active

048863394

ABSTRACT:
An optical article is disclosed containing, for the transmission of electromagnetic radiation, a medium exhibiting a second order polarization susceptibility greater than 10.sup.-9 electrostatic units comprised of polar aligned noncentrosymmetric molecular dipoles having an electron donor moiety linked through a conjugated .pi. bonding system to an electron acceptor moiety to permit oscillation of the molecular dipole between a ground state exhibiting a first dipole moment and an excited state exhibiting a differing dipole moment. The molecular dipoles are held in polar alignment by a crosslinked polymeric binder.

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D. J. Williams, "Organic Polymeric and Non-Polymeric Materials with Large Optical Nonlinearities", Angew, Chem., Int. Ed. Engl. 23, (1984), 690-703.
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Singer, Sohn, and Lalama, "Second Harmonic Generation in Poled Polymer Films", Appl. Phys. Lett., vol. 49, No. 5, 8/4/86, pp. 248-250.
D. S. Chemla and J. Zyss, Nonlinear Optical Properties of Organic Molecules and Crystals, vol. 1, pp. 280-282.
R. Rheinhardt, R. K. Tiwari, and T. P. Singh, "The Crystal Structure of Sulfisomidine", Current Science, vol. 49, p. 586, 1980.

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