Liquid crystalline polymer substrates with orthogonal molecular orientation

Claim 2

A thin substrate comprising a wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the substrate plane.

Claim 3

A thin substrate in accordance with claim 1 wherein the substrate is an optically clear film which exhibits nonlinear polarizability properties.

Claim 4

A polymeric nonlinear optical medium comprising a film of thermotropic liquid crystal polymer having an external field-induced stable uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the film plane, wherein the polymer has a wholly aromatic chemical structure characterized by the recurring unit: --Ar--X--Ar-- where X is a divalent radical selected from estero, amido, azomethino, azo, azoxy, etheno and ethyno groups, and Ar is a divalent aromatic radical selected from phenylene, naphthylene and diphenylene groups, and aromatic radicals corresponding to the formula: ##STR3## where Y is a carbonyl, sulfono, oxy or thio group.

Claim 5

A polymeric nonlinear optical medium comprising a film of thermotropic liquid crystal polymer having an external field-induced stable uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the film plane, wherein the polymer has a wholly aromatic chemical structure characterized by the recurring unit: --Ar--X--Ar-- where X is a divalent radical selected from estero, amido, azomethino, azo, azoxy, etheno and ethyno groups, and Ar is a divalent aromatic radical selected from phenylene, naphthylene and diphenylene groups, and aromatic radicals corresponding to the formula: ##STR3## where Y is a carbonyl, sulfono, oxy or thio group.

Claim 6

A polymeric nonlinear optical medium in accordance with claim 3 wherein the film has a thickness between about 10-500 microns.

Claim 7

A polymeric nonlinear optical medium in accordance with claim 3 wherein the thermotropic liquid crystal polymer is a wholly aromatic polyester.

Claim 8

A polymeric nonlinear optical medium in accordance with claim 3 wherein the thermotropic liquid crystal polymer is a copolymer of p-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid.

Claim 9

A laser frequency converter device with a polymeric nonlinear optical component comprising a thin medium of wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the thin medium plane.

Claim 10

A laser frequency converter device with a polymeric nonlinear optical component comprising a thin medium of wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the thin medium plane.

Claim 11

A laser frequency converter device in accordance with claim 7 wherein the liquid crystal polymer is a copolymer of p-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid.

Claim 12

An article of manufacture having a surface area coated with a self-adhering polymer film comprising a wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the film plane.

Claim 13

An article of manufacture having a surface area coated with a self-adhering polymer film comprising a wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation within about 10 degrees of perpendicular to the film plane.

Claim 14

An article of manufacture in accordance with claim 9 wherein the surface area is metal.

Claim 15

An article of manufacture in accordance with claim 9 wherein the liquid crystal polymer is a copolymer of p-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid.