US4828758A
Expired / Lapsed
US
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Organic-inorganic composites with enhanced nonlinear optical response
Assignee: Hoechst Celanese Chemical Co
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Filing: 1988-03-21
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Granted: 1989-05-09
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Expires: 2008-03-21
Abstract
Abstract In one embodiment this invention provides a nonlinear optical medium which is a composite of a polymer matrix which exhibits nonlinear optic response, and a silver colloid which is dispersed in the polymer matrix.
Inventors
- 👤 Gunilla E. Gillberg-LaForce
- 👤 Garo Khanarian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/3551
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
35 words
A transparent solid medium which is a composite comprising a polymer which exhibits nonlinear optical response, and which contains a colloidal metal dispersion with an average particle diameter in the range between about 10-1000 angstroms.
Claim 2
Dependent Claim
35 words
A transparent solid medium which is a composite comprising a polymer which exhibits nonlinear optical response, and which contains a colloidal metal dispersion with an average particle diameter in the range between about 10-1000 angstroms.
Claim 3
Dependent Claim
16 words
A transparent medium in accordance with claim 1 which exhibits third order nonlinear optical susceptibility χ.sup.(3).
Claim 4
Dependent Claim
16 words
A transparent medium in accordance with claim 1 which exhibits second order nonlinear optical susceptibility χ.sup.(2).
Claim 5
Dependent Claim
66 words
A nonlinear optical medium which is a homogeneous composite comprising (1) a polymer matrix which exhibits nonlinear optical response; and (2) about 0.001-5 weight percent of a metal colloid which is dispersed in the polymer matrix, wherein the metal colloid has an average particle diameter in the range between about 10-1000 angstroms, and has a particle surface plasmon frequency in the range between about 300-800 nm.
Claim 6
Dependent Claim
66 words
A nonlinear optical medium which is a homogeneous composite comprising (1) a polymer matrix which exhibits nonlinear optical response; and (2) about 0.001-5 weight percent of a metal colloid which is dispersed in the polymer matrix, wherein the metal colloid has an average particle diameter in the range between about 10-1000 angstroms, and has a particle surface plasmon frequency in the range between about 300-800 nm.
Claim 7
Dependent Claim
16 words
A nonlinear optical medium in accordance with claim 4 wherein the polymer is a polyvinyl polymer.
Claim 8
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 4 wherein the polymer is a wholly aromatic polymer.
Claim 9
Dependent Claim
24 words
A nonlinear optical medium in accordance with claim 4 wherein the polymer is a polymer with pendant side chains which exhibit nonlinear optical response.
Claim 10
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 4 wherein the metal colloid is a silver colloid.
Claim 11
Dependent Claim
17 words
A nonlinear optical medium in accordance with claim 4 wherein the metal colloid is a gold colloid.
Claim 12
Dependent Claim
18 words
A nonlinear optical medium in accordance with claim 4 wherein the metal colloid is a silver-gold cluster colloid.
Claim 13
Dependent Claim
66 words
A transparent thin film which is a homogeneous composite comprising (1) a polymer matrix which exhibits nonlinear optical response; and (2) about 0.001-5 weight percent of a metal colloid which is dispersed in the polymer matrix, wherein the metal colloid has an average particle diameter in the range between about 10-1000 angstroms, and has a particle surface plasmon frequency in the range between about 300-800 nm.
Claim 14
Dependent Claim
66 words
A transparent thin film which is a homogeneous composite comprising (1) a polymer matrix which exhibits nonlinear optical response; and (2) about 0.001-5 weight percent of a metal colloid which is dispersed in the polymer matrix, wherein the metal colloid has an average particle diameter in the range between about 10-1000 angstroms, and has a particle surface plasmon frequency in the range between about 300-800 nm.
Claim 15
Dependent Claim
22 words
A thin film in accordance with claim 11 wherein the polymer is a wholly aromatic polymer which contains a recurring benzthiazole structure.
Claim 16
Dependent Claim
22 words
A thin film in accordance with claim 11 wherein the polymer is a wholly aromatic polymer which contains a recurring benzoxazole structure.
Claim 17
Dependent Claim
22 words
A thin film in accordance with claim 11 wherein the polymer is a wholly aromatic polymer which contains a recurring benzimidazole structure.
Claim 18
Dependent Claim
75 words
A thin film in accordance with claim 11 wherein the polymer is a thermoplastic polymer characterized by a recurring monomeric unit corresponding to the formula: ##STR5## where P' is a polymer main chain unit, S' is a flexible spacer group having a linear chain length of between about 0-20 atoms, M' is a pendant group which exhibits nonlinear optical response, and where the pendant groups comprise at least about 10 weight percent of the polymer.
Claim 19
Dependent Claim
43 words
An optical light switch or light modulator device with an optical component which is a composite comprising a polymer which exhibits nonlinear optical response, and which contains a colloidal metal dispersion with an average particle diameter in the range between about 10-1000 angstroms.
Claim 20
Dependent Claim
43 words
An optical light switch or light modulator device with an optical component which is a composite comprising a polymer which exhibits nonlinear optical response, and which contains a colloidal metal dispersion with an average particle diameter in the range between about 10-1000 angstroms.
Claim 21
Dependent Claim
29 words
A device in accordance with claim 16 wherein the polymer in the composite has an external field-induced molecular alignment, and the composite exhihits second order nonlinear optical response χ.sup.(2).
References Cited (Backward Citations)
US4694066A
Cited
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