FR2422972A1 - Couplage directionnel a faible perte pour fibres optiques - Google Patents

Couplage directionnel a faible perte pour fibres optiques

Info

Publication number
FR2422972A1
FR2422972A1 FR7908850A FR7908850A FR2422972A1 FR 2422972 A1 FR2422972 A1 FR 2422972A1 FR 7908850 A FR7908850 A FR 7908850A FR 7908850 A FR7908850 A FR 7908850A FR 2422972 A1 FR2422972 A1 FR 2422972A1
Authority
FR
France
Prior art keywords
fiber
optical fibers
low
loss directional
directional coupling
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.)
Withdrawn
Application number
FR7908850A
Other languages
English (en)
French (fr)
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
Publication of FR2422972A1 publication Critical patent/FR2422972A1/fr
Withdrawn legal-status Critical Current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)
FR7908850A 1978-04-10 1979-04-06 Couplage directionnel a faible perte pour fibres optiques Withdrawn FR2422972A1 (fr)

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
FR2422972A1 true FR2422972A1 (fr) 1979-11-09

Family

ID=4111190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908850A Withdrawn FR2422972A1 (fr) 1978-04-10 1979-04-06 Couplage directionnel a faible perte pour fibres optiques

Country Status (6)

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

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274053A1 (fr) * 1974-06-06 1976-01-02 Int Standard Electric Corp Diviseurs de puissance optique a fibres optiques
FR2335856A1 (fr) * 1975-12-16 1977-07-15 Int Standard Electric Corp Diviseur de puissance pour fibre optique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843947A (xx) * 1971-10-08 1973-06-25
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 (xx) * 1975-12-05 1978-11-30 Comp Generale Electricite
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274053A1 (fr) * 1974-06-06 1976-01-02 Int Standard Electric Corp Diviseurs de puissance optique a fibres optiques
FR2335856A1 (fr) * 1975-12-16 1977-07-15 Int Standard Electric Corp Diviseur de puissance pour fibre optique

Also Published As

Publication number Publication date
DE2913794A1 (de) 1979-10-18
DE2913794C2 (xx) 1990-04-26
JPS54145154A (en) 1979-11-13
GB2018460A (en) 1979-10-17
CA1076858A (en) 1980-05-06
BE875316A (fr) 1979-10-04
GB2018460B (en) 1982-06-23
JPS5893911U (ja) 1983-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse