Nonlinear optical medium with a stable noncentrosymmetric polyme

Details Nonlinear optical medium with a stable noncentrosymmetric polyme Nonlinear optical medium with a stable noncentrosymmetric polyme

1991-03-04

1993-08-10

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204131, 252587, 25229901, 252582, F21V 904

Patent

active

052345572

ABSTRACT:
A process for stabilizing a poled nonlinear optical media is disclosed and claimed. The inventive process includes the steps of heating a film of suitable polymer above its Tg, poling the film in an electric field and heat treating the medium while the field is maintained. Films so produced maintain their nonlinear optical activity over time at a much higher value than films that are not heat treated under the influence of an electric field.

REFERENCES:
patent: 5053168 (1991-10-01), Man et al.

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