US4732783A
Expired / Lapsed
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Organic nonlinear optical media
Assignee: CNA Holdings LLC
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Filing: 1986-12-03
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Granted: 1988-03-22
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Expires: 2006-12-03
Abstract
Abstract In one embodiment this invention provides a nonlinear optical medium which consists of a transparent solid substrate coated with a Langmuir-Blodgett deposition of at least one molecular monolayer of uniaxial aligned charge asymmetric quinodimethane molecules, such as 7,7-bis(hexadecylamino)-8,8-dicyanoquinodimethane: ##STR1##
Inventors
- 👤 Eui W. Choe
- 👤 Garo Khanarian
- 👤 Anthony F. Garito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:31
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/26; G11B7/241; G11B7/242; G11B7/244; G11B7/252; G11B7/253; G11B7/2531
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
78 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR16## where R' is a substituent selected from hydrogen and aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms; n is an integer with a value between about 0-3; and at least one of the R' substituents is an electron-donating group.
Claim 2
Dependent Claim
78 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR16## where R' is a substituent selected from hydrogen and aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms; n is an integer with a value between about 0-3; and at least one of the R' substituents is an electron-donating group.
Claim 3
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR17## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 4
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR17## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 5
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR18## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 6
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR18## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 7
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR19## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 8
Dependent Claim
63 words
A process for preparing a nonlinear optical medium which comprises coating a transparent solid substrate surface by Langmuir-Blodgett deposition technique with at least one monomolecular layer of uniaxial aligned quinodimethane molecules corresponding to the formula: ##STR19## where R is a substituent selected from aliphatic, alicyclic and aromatic groups containing between about 6-30 carbon atoms, and R 1 is hydrogen or a R substituent.
Claim 9
Dependent Claim
22 words
A process in accordance with claim 4 wherein the surface coating comprises at least two monomolecular layers of uniaxial aligned quinodimethane molecules.
Claim 10
Dependent Claim
31 words
A process in accordance with claim 4 wherein the R substituent in the quinodimethane formula is in an alkyl group containing between about 10-20 carbon atoms, and R 1 is hydrogen.
References Cited (Backward Citations)
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