CA1076858A - Low loss directional coupling for optical fibres - Google Patents

Low loss directional coupling for optical fibres

Info

Publication number
CA1076858A
CA1076858A CA300,734A CA300734A CA1076858A CA 1076858 A CA1076858 A CA 1076858A CA 300734 A CA300734 A CA 300734A CA 1076858 A CA1076858 A CA 1076858A
Authority
CA
Canada
Prior art keywords
fibre
coupling
turns
tap
ratio
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
Application number
CA300,734A
Other languages
English (en)
French (fr)
Inventor
Gary S. Duck
Frederick D. King
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA300,734A priority Critical patent/CA1076858A/en
Priority to BE0/194400A priority patent/BE875316A/xx
Priority to DE19792913794 priority patent/DE2913794A1/de
Priority to FR7908850A priority patent/FR2422972A1/fr
Priority to JP4213079A priority patent/JPS54145154A/ja
Priority to GB7912561A priority patent/GB2018460B/en
Application granted granted Critical
Publication of CA1076858A publication Critical patent/CA1076858A/en
Priority to JP1982142700U priority patent/JPS5893911U/ja
Expired 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
    • 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
    • G02B6/245—Removing protective coverings of light guides before coupling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
CA300,734A 1978-04-10 1978-04-10 Low loss directional coupling for optical fibres Expired CA1076858A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA300,734A CA1076858A (en) 1978-04-10 1978-04-10 Low loss directional coupling for optical fibres
BE0/194400A BE875316A (fr) 1978-04-10 1979-04-04 Couplage directionnel a faible perte pour fibres optiques
DE19792913794 DE2913794A1 (de) 1978-04-10 1979-04-05 Kopplungsanordnung fuer optische fasern
FR7908850A FR2422972A1 (fr) 1978-04-10 1979-04-06 Couplage directionnel a faible perte pour fibres optiques
JP4213079A JPS54145154A (en) 1978-04-10 1979-04-09 Lowwloss directional coupling for optical fibers
GB7912561A GB2018460B (en) 1978-04-10 1979-04-10 Directional coupling for optical fibres
JP1982142700U JPS5893911U (ja) 1978-04-10 1982-09-22 光フアイバのための低損失指向性カツプリング

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA300,734A CA1076858A (en) 1978-04-10 1978-04-10 Low loss directional coupling for optical fibres

Publications (1)

Publication Number Publication Date
CA1076858A true CA1076858A (en) 1980-05-06

Family

ID=4111190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,734A Expired CA1076858A (en) 1978-04-10 1978-04-10 Low loss directional coupling for optical fibres

Country Status (6)

Country Link
JP (2) JPS54145154A (enrdf_load_html_response)
BE (1) BE875316A (enrdf_load_html_response)
CA (1) CA1076858A (enrdf_load_html_response)
DE (1) DE2913794A1 (enrdf_load_html_response)
FR (1) FR2422972A1 (enrdf_load_html_response)
GB (1) GB2018460B (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830703A (ja) * 1981-08-17 1983-02-23 Sumitomo Electric Ind Ltd シリコン樹脂クラツド光通信用フアイバ
US4802723A (en) * 1982-09-09 1989-02-07 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber tap
GB2191597B (en) * 1986-02-21 1989-11-15 Plessey Co Plc Interwined monomode fibre-optic coupler.
DE4030068C2 (de) * 1990-09-22 1994-04-14 Deutsche Aerospace Vorrichtung zur Auskopplung von Licht

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843947A (enrdf_load_html_response) * 1971-10-08 1973-06-25
GB1470539A (en) * 1974-06-06 1977-04-14 Standard Telephones Cables Ltd Optical fibre optical power dividers
NL7513127A (nl) * 1974-11-11 1976-05-13 Western Electric Co Inrichting voor het aftappen van optisch vermogen uit een tussengedeelte van een vezeloptische golf- geleider.
DE2456619A1 (de) * 1974-11-29 1976-08-12 Siemens Ag Verzweigungsanordnung auf nachrichtenuebertragungsstrecken mit optischen glasfasern
CH607066A5 (enrdf_load_html_response) * 1975-12-05 1978-11-30 Comp Generale Electricite
GB1493660A (en) * 1975-12-16 1977-11-30 Standard Telephones Cables Ltd Optical waveguide power dividers
JPS5283237A (en) * 1975-12-30 1977-07-12 Fujikura Ltd Shunt connection of plastic-cladding optical fibers
US4083625A (en) * 1976-08-02 1978-04-11 Corning Glass Works Optical fiber junction device
DE2922022A1 (de) * 1979-05-30 1980-12-11 Wmf Wuerttemberg Metallwaren Kaffeemaschine

Also Published As

Publication number Publication date
BE875316A (fr) 1979-10-04
FR2422972A1 (fr) 1979-11-09
GB2018460A (en) 1979-10-17
DE2913794A1 (de) 1979-10-18
GB2018460B (en) 1982-06-23
DE2913794C2 (enrdf_load_html_response) 1990-04-26
JPS5893911U (ja) 1983-06-25
JPS54145154A (en) 1979-11-13

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Legal Events

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