GB8706678D0 - Optical couplers - Google Patents
Optical couplersInfo
- Publication number
- GB8706678D0 GB8706678D0 GB878706678A GB8706678A GB8706678D0 GB 8706678 D0 GB8706678 D0 GB 8706678D0 GB 878706678 A GB878706678 A GB 878706678A GB 8706678 A GB8706678 A GB 8706678A GB 8706678 D0 GB8706678 D0 GB 8706678D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical couplers
- couplers
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2835—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8706678A GB2199418B (en) | 1986-03-24 | 1987-03-20 | Branching optical fibre coupler having biconical tapers. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868607286A GB8607286D0 (en) | 1986-03-24 | 1986-03-24 | Optical fibres |
GB868616387A GB8616387D0 (en) | 1986-07-04 | 1986-07-04 | Compact fibre optic couplers |
GB8706678A GB2199418B (en) | 1986-03-24 | 1987-03-20 | Branching optical fibre coupler having biconical tapers. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8706678D0 true GB8706678D0 (en) | 1987-04-23 |
GB2199418A GB2199418A (en) | 1988-07-06 |
GB2199418B GB2199418B (en) | 1990-08-22 |
Family
ID=27262968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8706678A Expired - Fee Related GB2199418B (en) | 1986-03-24 | 1987-03-20 | Branching optical fibre coupler having biconical tapers. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2199418B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5802224A (en) * | 1994-05-23 | 1998-09-01 | Kyocera Corporation | Optical coupler for performing light branching and light mixing/branch filtering in a light communication network |
US6839490B2 (en) * | 2001-07-10 | 2005-01-04 | Jds Uniphase Corporation | Method of making sequential coupler arrangements and resulting devices |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1384567A (en) * | 1972-06-12 | 1975-02-19 | Soval Ltd | Fibre-optical viewing devices |
AU569803B2 (en) * | 1984-09-06 | 1988-02-18 | Hitachi Limited | Optical fibre star coupler |
-
1987
- 1987-03-20 GB GB8706678A patent/GB2199418B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2199418A (en) | 1988-07-06 |
GB2199418B (en) | 1990-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |