Patent US4879479A successfully refreshed from Google Patents.
US4879479A
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Poly-yne nonlinear optical materials
Assignee: Lockheed Martin Corp
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Filing: 1987-08-05
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Granted: 1989-11-07
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Expires: 2007-08-05
Abstract
Abstract The present invention relates to a device for optical switching, frequency conversion, and protection of sensory organs and optical and electronic sensors which comprises at least one layer comprising a polymerized transition metal poly-yne.
Inventors
- 👤 Claude C. Frazier
- 👤 Shekhar Guha
- 👤 Wenpeng Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3619
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
46 words
A device for optical switching, frequency conversion, and protection of sensory organs and optical and electronic sensors which comprises at least one layer comprising a polymerized transition metal poly-yne interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 2
Independent Claim
46 words
A device for optical switching, frequency conversion, and protection of sensory organs and optical and electronic sensors which comprises at least one layer comprising a polymerized transition metal poly-yne interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 3
Dependent Claim
55 words
The device of claim 1 wherein said polymerized poly-yne has at least one of the following repeating units: ##STR7## wherein M is a transition metal; L is a ligand; R is an organic substituent; m is a whole number from 0 to 4, inclusive; and n is a whole number from 1 to about 200.
Claim 4
Dependent Claim
21 words
The device of claim 2 wherein said transition metal is palladium, platinum, nickel, or a combination of two of the same.
Claim 5
Dependent Claim
23 words
The device of claim 2 wherein said ligand is a tributyl phosphine group of the formula: -P(C 4 H 9 ) 3 .
Claim 6
Dependent Claim
15 words
The device of claim 1 wherein said poly-yne comprises repeating units of the formula: ##STR8##
Claim 7
Dependent Claim
16 words
The device of claim 5 wherein said poly-yne has an average molecular weight of 32,000 amu.
Claim 8
Dependent Claim
21 words
The device of claim 1 wherein said layer consists essentially of said polymerized transition metal poly-yne blended with a dissimilar polymer.
Claim 9
Dependent Claim
12 words
The device of claim 7 wherein said dissimilar polymer is a polyimide.
Claim 10
Dependent Claim
27 words
The device of claim 1 wherein said layer consists essentially of a mixture of a polyimide polymer and a polymerized transition metal poly-yne of the formula: ##STR9##
Claim 11
Dependent Claim
18 words
The device of claim 1 wherein said layer is in the form of a dry, free-standing cast film.
Claim 12
Dependent Claim
16 words
The device of claim 10 wherein said cast film has a thickness of 25 to 120μm.
Claim 13
Dependent Claim
21 words
The device of claim 1 wherein said layer is in the form of a film uniformly spread on a glass plate.
Claim 14
Dependent Claim
23 words
The device of claim 1 wherein said layer is in the form of a film uniformly spread on a transparent organic plastic plate.
Claim 15
Dependent Claim
21 words
The device of claim 1, wherein said layer is in the form of a solution of said polymerized transition metal poly-yne.
Claim 16
Independent Claim
55 words
A device for optical switching, frequency conversion, and protection of sensory organs and optical and electronic sensors which comprises a dry, free-standing cast film of a power-limiting, polymerized transition metal poly-yne having repeating units of the formula: ##STR10## interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 17
Independent Claim
55 words
A device for optical switching, frequency conversion, and protection of sensory organs and optical and electronic sensors which comprises a dry, free-standing cast film of a power-limiting, polymerized transition metal poly-yne having repeating units of the formula: ##STR10## interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 18
Dependent Claim
16 words
The device of claim 15 wherein said poly-yne has an average molecular weight of 32,000 amu.
Claim 19
Dependent Claim
16 words
The device of claim 15 wherein said cast film has a thickness of 25 to 120μm.
Claim 20
Dependent Claim
19 words
The device of claim 15 wherein said cast film consists essentially of said poly-yne blended with a dissimilar polymer.
Claim 21
Dependent Claim
12 words
The device of claim 18 wherein said dissimilar polymer is a polyimide.
Claim 22
Dependent Claim
22 words
The device of claim 15 wherein said cast film consists essentially of a mixture of a polyimide polymer with said polymerized poly-yne.
Claim 23
Independent Claim
95 words
A device for optical switching, frequency conversion, and protection of sensory organs and sensors from high power laser beams comprising at least one power-limiting organic polymeric layer which comprises an organometallic polymer having at least one of the following repeating units: ##STR11## wherein M is a transition metal; L is a ligand; R is an organic substituent; m is a whole number from 0 to 4, inclusive; and n is a whole number from 1 to about 200, interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 24
Independent Claim
95 words
A device for optical switching, frequency conversion, and protection of sensory organs and sensors from high power laser beams comprising at least one power-limiting organic polymeric layer which comprises an organometallic polymer having at least one of the following repeating units: ##STR11## wherein M is a transition metal; L is a ligand; R is an organic substituent; m is a whole number from 0 to 4, inclusive; and n is a whole number from 1 to about 200, interposed in the path of a laser light so as to have a nonlinear optical effect thereupon.
Claim 25
Dependent Claim
21 words
The device of claim 21 wherein said transition metal is palladium, platinum, nickel, or a combination of two of the same.
Claim 26
Dependent Claim
23 words
The device of claim 21 wherein said ligand is a tributyl phosphine group of the formula: -P(C 4 H 9 ) 3 .
Claim 27
Dependent Claim
15 words
The device of claim 21 wherein said polymer comprises repeating unit of the formula: ##STR12##
Claim 28
Dependent Claim
16 words
The device of claim 24 wherein said polymer has an average molecular weight of 32,000 amu.
Claim 29
Dependent Claim
19 words
The device of claim 24 wherein said layer consists essentially of said organometallic polymer blended with a dissimilar polymer.
Claim 30
Dependent Claim
12 words
The device of claim 26 wherein said dissimilar polymer is a polyimide.
Claim 31
Dependent Claim
25 words
The device of claim 24 wherein said layer consists essentially of a mixture of a polyimide polymer and an organo-metallic polymer of the formula: ##STR13##
Claim 32
Dependent Claim
18 words
The device of claim 28 wherein said layer is in the form of a dry, free-standing cast film.
Claim 33
Dependent Claim
16 words
The device of claim 29 wherein said cast film has a thickness of 25 to l2Oμm.
Claim 34
Dependent Claim
18 words
The device of claim 24 wherein said layer is in the form of a dry, free-standing cast film.
Claim 35
Dependent Claim
16 words
The device of claim 31 wherein said cast film has a thickness of 25 to 12Oμm.
Claim 36
Dependent Claim
21 words
The device of claim 24 wherein said layer is in the form of a film uniformly spread on a glass plate.
Claim 37
Dependent Claim
21 words
The device of claim 24 wherein said layer is in the form of a film uniformly spread on a plastic plate.
Claim 38
Dependent Claim
19 words
The device of claim 21 wherein said layer is in the form of a solution of said organometallic polymer.
Claim 39
Independent Claim
36 words
A method of optical switching, frequency conversion, and power limiting of a high power laser beam which comprises interposing in the path of said laser beam at least one layer comprising a polymerized transition metal poly-yne.
Claim 40
Independent Claim
36 words
A method of optical switching, frequency conversion, and power limiting of a high power laser beam which comprises interposing in the path of said laser beam at least one layer comprising a polymerized transition metal poly-yne.
Claim 41
Dependent Claim
56 words
The method of claim 36 wherein said polymerized poly-yne has at least one of the following repeating units: ##STR14## wherein M is palladium, platinum or nickel; L is a ligand; R is an organic substituent; m is a whole number from 0 to 4, inclusive; and n is a whole number from 1 to about 200.
Claim 42
Dependent Claim
15 words
The method of claim 36 wherein said poly-yne comprises repeating units of the formula: ##STR15##
Claim 43
Dependent Claim
16 words
The method of claim 38 wherein said poly-yne has an average molecular weight of 32,000 amu.
Claim 44
Dependent Claim
27 words
The method of claim 36 wherein said layer consists essentially of a mixture of a polyimide polymer and a polymerized transition metal poly-yne of the formula: ##STR16##
Claim 45
Dependent Claim
18 words
The method of claim 36 wherein said layer is in the form of a dry, free-standing cast film.
Claim 46
Dependent Claim
16 words
The method of claim 41 wherein said cast film has a thickness of 25 to 120μm.
Claim 47
Dependent Claim
21 words
The method of claim 36 wherein said layer is in the form of a solution of said polymerized transition metal poly-yne.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-06 | 1993-05-08 | 1993-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-06 | 1997-05-08 | 1997-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-06 | 2001-05-08 | 2001-11-07 | $7700.00 | Window Closed / Lapsed |