US4720355A
Expired / Lapsed
US
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Organic nonlinear optical substrates
Assignee: CNA Holdings LLC
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Filing: 1986-03-04
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Granted: 1988-01-19
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Expires: 2006-03-04
Abstract
Abstract This invention provides organic solid solutions which exhibit nonlinear optical properties. Illustrative of the invention is an optically clear solid solution of poly(N,N-dimethylacrylamide) and 13,13-di(n-hexydecylamino)-14,14-dicyano-4,5,9,10-tetrahydropyrenoquinodimethane.
Inventors
- 👤 Ronald N. DeMartino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617; C; C08; C08K; C08K5/00; C08K5/16; C08K5/315
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
93 words
A nonlinear optical medium in the form of a homogeneous single phase solid substrate comprising (1) a host thermoplastic polymer which contains a recurring monomeric unit corresponding to the formula: ##STR7## where R is a substituent selected from hydrogen, methyl and ethyl groups, and R 1 is an alkyl substituent containing between about 1-4 carbon atoms; and (2) a guest organic compound which has a charge asymmetric electronic structure and exhibits nonlinear optical response, and is present in a quantity of at least about 25 weight percent based on the total substrate weight.
Claim 2
Dependent Claim
93 words
A nonlinear optical medium in the form of a homogeneous single phase solid substrate comprising (1) a host thermoplastic polymer which contains a recurring monomeric unit corresponding to the formula: ##STR7## where R is a substituent selected from hydrogen, methyl and ethyl groups, and R 1 is an alkyl substituent containing between about 1-4 carbon atoms; and (2) a guest organic compound which has a charge asymmetric electronic structure and exhibits nonlinear optical response, and is present in a quantity of at least about 25 weight percent based on the total substrate weight.
Claim 3
Dependent Claim
23 words
A nonlinear optical medium in accordance with claim 1 wherein the solid substrate is in the form of an optically transparent thin film.
Claim 4
Dependent Claim
22 words
A nonlinear optical medium in accordance with claim 1 wherein the solid substrate is noncentrosymmetric and exhibits second order nonlinear optical response.
Claim 5
Dependent Claim
22 words
A nonlinear optical medium in accordance with claim 1 wherein the solid substrate is centrosymmetric and exhibits third order nonlinear optical response.
Claim 6
Dependent Claim
24 words
A nonlinear optical medium in accordance with claim 1 wherein the solid substrate exhibits a Miller's delta of at least about 1 square meter/coulomb.
Claim 7
Dependent Claim
29 words
A nonlinear optical medium in accordance with claim 1 wherein the solid substrate exhibits a second order nonlinear optical susceptibility 102 .sup.(2) of at least about 1×10 -6 esu.
Claim 8
Dependent Claim
26 words
A nonlinear optical medium in accordance with claim 1 wherein the host thermoplastic polymer component is poly(N,N-dimethylacrylamide) having a weight average molecular weight between about 1000-500,000.
Claim 9
Dependent Claim
30 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component exhibits a second order nonlinear optical susceptibility β of at least about 500×10 -30 esu.
Claim 10
Dependent Claim
19 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component contains a nitroaniline structure.
Claim 11
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component is 2-methyl-4-nitroaniline.
Claim 12
Dependent Claim
19 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component contains a quinodimethane structure.
Claim 13
Dependent Claim
34 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component has a structure corresponding to the formula: ##STR8## where R' is a substituent selected from hydrogen and alkyl groups.
Claim 14
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component is 13,13-diamino-14,14-dicyanodiphenoquinodimethane.
Claim 15
Dependent Claim
34 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component has a structure corresponding to the formula: ##STR9## where R' is a substituent selected from hydrogen and alkyl groups.
Claim 16
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 1 wherein the guest organic compound component is 13,13-di(n-hexyldecylamino)-14,14-dicyano-4,5,9,10-tetrahydropyrenoquinodimethane.
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