Nonlinear optical article for modulating polarized light

Details Nonlinear optical article for modulating polarized light Nonlinear optical article for modulating polarized light

1989-10-11

1990-08-14

Healy, Brian

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350 9613, 350 9614, 350 9617, 350 9630, 350374, 350385, 350394, 350395, 350356, 4284111, 427163, 252585, 307425, 307427, 307430, G02B 600, B32B 904, B05D 506, F21V 914

Patent

active

049482254

ABSTRACT:
A nonlinear optical article for the controlled propagation of electromagnetic radiation is disclosed. The article includes a reflective metal layer having a thickness in the range of from 100 to 1000 .ANG. and work function in the range of from 2.5 to 4.5 eV, an optical coupler, a dielectric medium comprised of a poled polymeric layer exhibiting a glass transition temperature of at least 50.degree. C. and a second order polarization susceptibility greater than 10.sup.-9 electrostatic units, and means for variably applying an electrical potential to a surface of the dielectric medium remote from the reflective metal layer. A protective metal fluoride or oxide layer having a thickness of less than 0.1 .mu.m is interposed between the reflective metal layer and the poled polymeric layer.

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