GB2233116B - Optical fiber coupler having polished grooved substrates whose sides have differen areas - Google Patents

Optical fiber coupler having polished grooved substrates whose sides have differen areas

Info

Publication number
GB2233116B
GB2233116B GB9013880A GB9013880A GB2233116B GB 2233116 B GB2233116 B GB 2233116B GB 9013880 A GB9013880 A GB 9013880A GB 9013880 A GB9013880 A GB 9013880A GB 2233116 B GB2233116 B GB 2233116B
Authority
GB
United Kingdom
Prior art keywords
differen
polished
areas
optical fiber
fiber coupler
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
GB9013880A
Other versions
GB2233116A (en
GB9013880D0 (en
Inventor
Fumio Suzuki
Tohru Arikawa
Noboru Kawakami
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.)
Fujikura Ltd
Original Assignee
Fujikura 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
Priority claimed from JP28401786A external-priority patent/JPS63136009A/en
Priority claimed from JP62056087A external-priority patent/JPS63221308A/en
Priority claimed from JP62068489A external-priority patent/JPH07122684B2/en
Priority claimed from JP62084982A external-priority patent/JPH0782137B2/en
Priority claimed from JP14245687A external-priority patent/JPS63305305A/en
Priority claimed from GB8727979A external-priority patent/GB2199422B/en
Application filed by Fujikura Ltd filed Critical Fujikura Ltd
Publication of GB9013880D0 publication Critical patent/GB9013880D0/en
Publication of GB2233116A publication Critical patent/GB2233116A/en
Publication of GB2233116B publication Critical patent/GB2233116B/en
Application granted granted Critical
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
    • G02B6/2821—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
    • G02B6/2843—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 the couplers having polarisation maintaining or holding properties
    • 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
    • G02B6/2826—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 using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
    • 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
    • G02B6/2826—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 using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
    • G02B6/283—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 using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
GB9013880A 1986-11-28 1990-06-21 Optical fiber coupler having polished grooved substrates whose sides have differen areas Expired - Fee Related GB2233116B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP28401786A JPS63136009A (en) 1986-11-28 1986-11-28 Optical fiber coupler
JP62056087A JPS63221308A (en) 1987-03-11 1987-03-11 Optical fiber coupler
JP62068489A JPH07122684B2 (en) 1987-03-23 1987-03-23 Method for manufacturing optical fiber coupler
JP62084982A JPH0782137B2 (en) 1987-04-07 1987-04-07 Optical fiber coupler
JP14245687A JPS63305305A (en) 1987-06-08 1987-06-08 Optical fiber coupler
GB8727979A GB2199422B (en) 1986-11-28 1987-11-30 Optical fiber coupler having grooved substrate and manufacturing thereof

Publications (3)

Publication Number Publication Date
GB9013880D0 GB9013880D0 (en) 1990-08-15
GB2233116A GB2233116A (en) 1991-01-02
GB2233116B true GB2233116B (en) 1991-04-24

Family

ID=27546992

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9013880A Expired - Fee Related GB2233116B (en) 1986-11-28 1990-06-21 Optical fiber coupler having polished grooved substrates whose sides have differen areas
GB9013879A Expired - Fee Related GB2233115B (en) 1986-11-28 1990-06-21 Optical fiber coupler having polished grooved substrates and sliding device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9013879A Expired - Fee Related GB2233115B (en) 1986-11-28 1990-06-21 Optical fiber coupler having polished grooved substrates and sliding device

Country Status (1)

Country Link
GB (2) GB2233116B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9413792D0 (en) * 1994-07-08 1994-08-24 Pilkington Perkin Elmer Ltd Illumination device
CN103913804A (en) * 2013-01-08 2014-07-09 江苏天元激光科技有限公司 Long-distance weak-coupling optical fiber coupler and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398794A (en) * 1980-02-20 1983-08-16 General Dynamics, Pomona Division Dual directional tap coupler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673270A (en) * 1985-06-28 1987-06-16 Amp Incorporated Channel add/drop filter-coupler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398794A (en) * 1980-02-20 1983-08-16 General Dynamics, Pomona Division Dual directional tap coupler

Also Published As

Publication number Publication date
GB2233115B (en) 1991-04-24
GB2233116A (en) 1991-01-02
GB9013880D0 (en) 1990-08-15
GB9013879D0 (en) 1990-08-15
GB2233115A (en) 1991-01-02

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Legal Events

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

Effective date: 19961130