EP0037793A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
optical communication transmission system
Assignee: Polaroid Corp
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Filing: 1981-03-31
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Granted: —
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Expires: 2001-03-31
Abstract
Abstract A wave length filter construction using fiber optics techniques and devices for selective tuning. By core coupling for a portion of the fiber lengths, a communications facility is provided and various wave length selection structures are enabled.
Inventors
- 👤 John Wilbur Hicks, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 06:59
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/28; G02B6/293; G02B6/29331; G02B6/29332; G02B26/00; G02B26/002; G02B6/2804; G02B6/2821; G02B6/2835; G02B6/29344; G02B6/29379; G02B6/2938; G02B6/29395; G02B6/36; G02B6/38; G02B6/3807; G02B6/3833; G02B6/3834; G02B6/3843; G02F; G02F1/00; G02F1/01; G02F1/0128; H; H01; H01S; H01S5/00; H01S5/06; H01S5/062; H01S5/06209; H01S5/0622; H01S5/50; H01S3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/067; H01S3/06708; H01S3/06729; H01S3/06737; H01S3/09; H01S3/091; H01S3/094; H01S3/094003; H01S3/094007; H01S3/094019; H01S3/094076
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
115 words
A wave length selective energy transfer device comprising first and second elongated wave guides structures, said first wave guide structures supporting an energy mode whose phase velocity has a certain wave length dependence and said second wave guide structure supporting an energy mode whose phase velocity has a substantially different wave length dependence, said phase velocity of said energy mode supported by said first wave guide structure being equal to said phase velocity of said energy mode supported by said second wave guide structure at a certain wave length, but with substantially different dispersions of sald - two energy modes, and also providing coupling between said wave guide structures for a portion of their lengths.
Claim 2
Dependent Claim
115 words
A wave length selective energy transfer device comprising first and second elongated wave guides structures, said first wave guide structures supporting an energy mode whose phase velocity has a certain wave length dependence and said second wave guide structure supporting an energy mode whose phase velocity has a substantially different wave length dependence, said phase velocity of said energy mode supported by said first wave guide structure being equal to said phase velocity of said energy mode supported by said second wave guide structure at a certain wave length, but with substantially different dispersions of sald - two energy modes, and also providing coupling between said wave guide structures for a portion of their lengths.
Claim 3
Dependent Claim
19 words
The invention according to claim 1 wherein said dispersion is caused primarily as a result of material index dispersion.
Claim 4
Dependent Claim
19 words
The invention according to claim 1 wherein said dispersion is caused primarily as a result of wave guide dispersion.
Claim 5
Dependent Claim
20 words
The invention according to claim 1 wherein said dispersion is caused primarily as a resuit of said modes being dissimilar.
Claim 6
Dependent Claim
41 words
The invention according to claim 1 wherein said dispersion is caused primarily as a result of said first wave guide structure having a relatively smaller diameter and a relatively greater index of refraction with respect to said second wave guide structure.
Claim 7
Dependent Claim
17 words
The invention according to claim 1 wherein said first wave guide structure is a main transmission line.
Claim 8
Dependent Claim
20 words
The invention according to claim 1 wherein the cross- section of said second wave guide structure is other than planar.
Claim 9
Dependent Claim
24 words
The invention according to claim 1 wherein one of said wave guide structures is adjustable relative to the other of said wave guide structures.
Claim 10
Dependent Claim
23 words
The invention according to claim 1 wherein one of said wave guide structures is a drawn fiber having a core and a cladding.
Claim 11
Dependent Claim
24 words
lO. The invention according to claim 1 wherein both of said wave guide structures are drawn fibers each having a core and a cladding.
Claim 12
Dependent Claim
21 words
ll. The invention according to claim 10 wherein both of said wave guide structures are drawn from the same preformed material.
Claim 13
Dependent Claim
36 words
The invention according to claim 1 wherein both of said wave guide structures are in proximity to each other for most of their lengths and coupled for a part of their lengths to form a filter.
Claim 14
Dependent Claim
30 words
The invention according to claim 1 wherein at least one of said wave guide structures is tapered to enable wave lengths selection at a point along said wave guide structures.
Claim 15
Dependent Claim
34 words
The invention according to claim 13 wherein at least one of said wave guide structures is tapered to enable independent selection of more than one wave length at points along said wave guide structures.
Claim 16
Dependent Claim
31 words
The invention according to claim 1 wherein said wave guide structures are tunable to a certain wave length by bending of said structures in a plane including both of said structures.
Claim 17
Dependent Claim
19 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of temperature variation thereof.
Claim 18
Dependent Claim
19 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of stress variation thereof.
Claim 19
Dependent Claim
20 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of electric field exposure thereof.
Claim 20
Dependent Claim
20 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of magnetic field exposure thereof.
Claim 21
Dependent Claim
31 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of a combination of temperature variation, stress variation, electric field exposure and magnetic field exposure thereof.
Claim 22
Dependent Claim
25 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of temperature variation of only a portion of said device.
Claim 23
Dependent Claim
25 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of stress variation of only a portion of said device.
Claim 24
Dependent Claim
26 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of electric field exposure of only a portion of said device.
Claim 25
Dependent Claim
26 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of magnetic field exposure of only a portion of said device.
Claim 26
Dependent Claim
37 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of a combination of temperature variation, stress variation, electric field exposure and masnetic field exposure of only a portion of said device.
Claim 27
Dependent Claim
27 words
The invention according to claim 1 wherein said wave guide structures are tunable by means of altering the relative position of only a portion of said device.
Claim 28
Dependent Claim
28 words
The invention according t G claim 1 wherein said wave guide structures are tunable by means of altering the relative absorption of only a portion o7 said device.
Claim 29
Dependent Claim
16 words
The invention according to claim 1 wherein said device is a switch comprising a tunable filter.
Claim 30
Dependent Claim
17 words
The invention according to claim 1 wherein said device is a modulator comprising a rapidly tunable filter.
Claim 31
Dependent Claim
16 words
The invention according to claim 1 wherein said device is a transducer comprising a tunable filter.
Claim 32
Dependent Claim
13 words
The invention according to claim 1 wherein said device is a communication device.
Claim 33
Dependent Claim
12 words
The invention according to claim 31 wherein said device performs multiplexing operations.
Claim 34
Dependent Claim
12 words
The invention according to claim 31 wherein said device performs addressing operations.
Claim 35
Dependent Claim
12 words
The invention according to claim 1 wherein said device is a computer.
Claim 36
Dependent Claim
12 words
The invention according to claim 34 wherein said device performs memory operations.
Claim 37
Dependent Claim
16 words
The invention according to claim 1 wherein said device is a closed loop optical transmission line.
Claim 38
Dependent Claim
14 words
The invention according to claim 1 wherein said device is an information handling device.
Claim 39
Dependent Claim
12 words
The invention according to claim 1 wherein said device is a transducer.
Claim 40
Dependent Claim
13 words
The invention according to claim 1 wherein said device is a switching station.
References Cited (Backward Citations)
No citation records indexed.
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