Optical article exhibiting a high level of second order polariza

Details Optical article exhibiting a high level of second order polariza Optical article exhibiting a high level of second order polariza

1990-06-27

1991-07-09

Sikes, William L.

G02B 600

Patent

active

050299794

ABSTRACT:
An optical article is disclosed containing, for the transmission of electromagnetic radiation, a medium exhibiting a high second order polarization susceptibility containing a vinyl polymer having backbone pendant carbocyclic aromatic groups susbstituted with polar aligned noncentrosymmetric organic molecular dipoles. The molecular dipoles are linked to greater than 60 percent of the backbone pendant carbocyclic aromatic rings through an ester or amide linkage, so that said medium exhibits a second order polarization susceptibility of greater than 10.sup.-9 electrostatic units and a glass transition temperature in excess of 150.degree. C.

REFERENCES:
patent: 4796971 (1989-01-01), Robello et al.
patent: 4900127 (1990-02-01), Robello et al.

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