US4865430A
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Acrylic copolymers exhibiting nonlinear optical response
Assignee: Corning Inc
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Filing: 1989-01-11
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Granted: 1989-09-12
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Expires: 2009-01-11
Abstract
Abstract This invention provides novel isotropic acrylic copolymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in optical light switch and light modulator devices. An invention isotropic acrylic copolymer is illustrated by the following structure: ##STR1##
Inventors
- 👤 Ronald N. DeMartino
- 👤 Hyun-Nam Yoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:49
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C08F20/36; G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
121 words
An optical light switch or light modulator device with a polymeric nonlinear optical component comprising a transparent solid medium of an isotropic acrylic copolymer which is characterized by recurring monomeric units corresponding to the formula: ##STR9## where m and m 1 are integers which total at least 10, and the m monomer comprises between about 10-90 mole percent of the total m+m 1 monomer units; R is hydrogen or a C 1 -C 4 alkyl, C 6 -C 10 aryl, halo or haloalkyl substituent; n is an integer between about 1-12; R 1 is a C 1 -C 6 alkyl substituent; R 2 is hydrogen or a C 1 -C 4 alkyl substituent; and Z is a nitro or cyano substituent.
Claim 2
Dependent Claim
121 words
An optical light switch or light modulator device with a polymeric nonlinear optical component comprising a transparent solid medium of an isotropic acrylic copolymer which is characterized by recurring monomeric units corresponding to the formula: ##STR9## where m and m 1 are integers which total at least 10, and the m monomer comprises between about 10-90 mole percent of the total m+m 1 monomer units; R is hydrogen or a C 1 -C 4 alkyl, C 6 -C 10 aryl, halo or haloalkyl substituent; n is an integer between about 1-12; R 1 is a C 1 -C 6 alkyl substituent; R 2 is hydrogen or a C 1 -C 4 alkyl substituent; and Z is a nitro or cyano substituent.
Claim 3
Dependent Claim
19 words
An optical device in accordance with claim 1 wherein the polymer medium exhibits second order nonlinear optical susceptibility χ.sup.(2).
Claim 4
Dependent Claim
19 words
An optical device in accordance with claim 1 wherein the polymer medium exhibits third order nonlinear optical susceptibility χ.sup.(3).
Claim 5
Dependent Claim
26 words
An optical device in accordance with claim 1 wherein the polymer medium has a stable orientation of an external field-induced alignment of m monomer side chains.
Claim 6
Dependent Claim
24 words
An optical device in accordance with claim 1 wherein the polymeric component is an acrylic copolymer corresponding to the formula represented in claim 1.
Claim 7
Dependent Claim
24 words
An optical device in accordance with claim 1 wherein the polymeric component is an acrylic copolymer corresponding to the formula represented in claim 1.
Claim 8
Dependent Claim
25 words
An optical device in accordance with claim 1 wherein the polymeric nonlinear optical component exhibits less than about 5 percent scattering of transmitted incident light.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1992-09-11 | 1993-03-13 | 1993-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-11 | 1997-03-13 | 1997-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-11 | 2001-03-13 | 2001-09-12 | $7700.00 | Window Closed / Lapsed |