GB2282235B - Optical star-coupler - Google Patents

Optical star-coupler

Info

Publication number
GB2282235B
GB2282235B GB9414055A GB9414055A GB2282235B GB 2282235 B GB2282235 B GB 2282235B GB 9414055 A GB9414055 A GB 9414055A GB 9414055 A GB9414055 A GB 9414055A GB 2282235 B GB2282235 B GB 2282235B
Authority
GB
United Kingdom
Prior art keywords
coupler
optical star
star
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.)
Expired - Fee Related
Application number
GB9414055A
Other versions
GB2282235A (en
GB9414055D0 (en
Inventor
Tetsuya Saitoh
Hideo Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of GB9414055D0 publication Critical patent/GB9414055D0/en
Publication of GB2282235A publication Critical patent/GB2282235A/en
Application granted granted Critical
Publication of GB2282235B publication Critical patent/GB2282235B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G02B6/2804—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
    • G02B6/2817—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 reflective elements to split or combine optical signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB9414055A 1993-07-19 1994-07-12 Optical star-coupler Expired - Fee Related GB2282235B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5178074A JPH0735944A (en) 1993-07-19 1993-07-19 Optical star coupler

Publications (3)

Publication Number Publication Date
GB9414055D0 GB9414055D0 (en) 1994-08-31
GB2282235A GB2282235A (en) 1995-03-29
GB2282235B true GB2282235B (en) 1997-01-08

Family

ID=16042169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9414055A Expired - Fee Related GB2282235B (en) 1993-07-19 1994-07-12 Optical star-coupler

Country Status (3)

Country Link
JP (1) JPH0735944A (en)
DE (1) DE4425097A1 (en)
GB (1) GB2282235B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08201647A (en) * 1995-01-27 1996-08-09 Fuji Electric Co Ltd Optical star coupler
DE19728388A1 (en) * 1997-07-03 1999-01-07 Daimler Benz Ag Transceiver star coupler for optical back-plane data bus communication
DE102012209628A1 (en) * 2012-06-08 2013-12-12 Jenoptik Laser Gmbh Fiber coupler has input fibers having exit edge portion from which input ray is emitted as output beam which is expanded in comparison to input ray and provided with smaller divergence, such that output beam forms luminous beam

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179185A (en) * 1978-02-27 1979-12-18 Corning Glass Works Coupler for optical communication system
EP0299159A2 (en) * 1987-07-14 1989-01-18 AEG KABEL Aktiengesellschaft Optical star coupler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2456619A1 (en) * 1974-11-29 1976-08-12 Siemens Ag ARRANGEMENT OF BRANCHES ON MESSAGE TRANSMISSION LINES WITH OPTICAL FIBERS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179185A (en) * 1978-02-27 1979-12-18 Corning Glass Works Coupler for optical communication system
EP0299159A2 (en) * 1987-07-14 1989-01-18 AEG KABEL Aktiengesellschaft Optical star coupler

Also Published As

Publication number Publication date
JPH0735944A (en) 1995-02-07
DE4425097A1 (en) 1995-02-02
GB2282235A (en) 1995-03-29
GB9414055D0 (en) 1994-08-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010712