CA2342339A1 - Radially non uniform and azimuthally asymmetric optical waveguide fiber - Google Patents

Radially non uniform and azimuthally asymmetric optical waveguide fiber Download PDF

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Publication number
CA2342339A1
CA2342339A1 CA002342339A CA2342339A CA2342339A1 CA 2342339 A1 CA2342339 A1 CA 2342339A1 CA 002342339 A CA002342339 A CA 002342339A CA 2342339 A CA2342339 A CA 2342339A CA 2342339 A1 CA2342339 A1 CA 2342339A1
Authority
CA
Canada
Prior art keywords
core
delta
refractive index
sector
waveguide
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.)
Abandoned
Application number
CA002342339A
Other languages
English (en)
French (fr)
Inventor
Venkata A. Bhagavatula
Robert M. Hawk
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.)
Corning Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2342339A1 publication Critical patent/CA2342339A1/en
Abandoned 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
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C03B37/01222—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of multiple core optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • C03B37/01231—Removal of preform material to form a longitudinal hole, e.g. by drilling
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02338—Structured core, e.g. core contains more than one material, non-constant refractive index distribution in core, asymmetric or non-circular elements in core unit, multiple cores, insertions between core and clad
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/12—Non-circular or non-elliptical cross-section, e.g. planar core
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/29—Segmented core fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/32—Eccentric core or cladding
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/34—Plural core other than bundles, e.g. double core
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
    • G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
  • Knitting Of Fabric (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
CA002342339A 1998-09-09 1999-08-20 Radially non uniform and azimuthally asymmetric optical waveguide fiber Abandoned CA2342339A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9953598P 1998-09-09 1998-09-09
US60/099,535 1998-09-09
PCT/US1999/018933 WO2000014581A2 (en) 1998-09-09 1999-08-20 Radially non uniform and azimuthally asymmetric optical waveguide fiber

Publications (1)

Publication Number Publication Date
CA2342339A1 true CA2342339A1 (en) 2000-03-16

Family

ID=22275476

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002342339A Abandoned CA2342339A1 (en) 1998-09-09 1999-08-20 Radially non uniform and azimuthally asymmetric optical waveguide fiber

Country Status (11)

Country Link
EP (1) EP1125153A2 (id)
JP (1) JP2002524766A (id)
KR (1) KR20010085768A (id)
CN (1) CN1317098A (id)
AU (1) AU5680599A (id)
BR (1) BR9913124A (id)
CA (1) CA2342339A1 (id)
ID (1) ID28479A (id)
TW (1) TW455710B (id)
WO (1) WO2000014581A2 (id)
ZA (2) ZA995769B (id)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000060390A1 (en) * 1999-03-30 2000-10-12 Crystal Fibre A/S Polarisation preserving optical fibre
EP1202089A1 (en) * 2000-10-31 2002-05-02 PIRELLI CAVI E SISTEMI S.p.A. Optical fibre filter
PL223518B1 (pl) 2013-03-12 2016-10-31 Wrocławskie Centrum Badań Eit + Spółka Z Ograniczoną Wrzeciono do polerowania polimerowych preform na włókna mikrostrukturalne oraz sposób polerowania polimerowych preform na włókna mikrostrukturalne
US9917410B2 (en) * 2015-12-04 2018-03-13 Nlight, Inc. Optical mode filter employing radially asymmetric fiber
CN105500719A (zh) * 2016-01-28 2016-04-20 北京交通大学 一种利用3d打印技术制备太赫兹波导预制棒的方法
WO2017136831A1 (en) * 2016-02-05 2017-08-10 Nufern Mode mixing optical fibers and methods and systems using the same
US11002905B2 (en) * 2016-12-28 2021-05-11 Sumitomo Electric Industries, Ltd. Method for producing optical fiber preform
US20200115270A1 (en) * 2017-03-14 2020-04-16 Nanyang Technological University Fiber preform, optical fiber and methods for forming the same
JP7516349B2 (ja) 2019-03-27 2024-07-16 古河電気工業株式会社 マルチコアファイバ母材の製造方法、マルチコアファイバ母材、およびマルチコアファイバ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831565B2 (ja) * 1980-07-23 1983-07-07 日本電信電話株式会社 光フアイバ
JPS6035702A (ja) * 1983-08-05 1985-02-23 Furukawa Electric Co Ltd:The 単一偏波光フアイバ
JPH0715529B2 (ja) * 1986-09-05 1995-02-22 富士通株式会社 偏波面保存シングルモード光ファイバ
WO1989011109A1 (en) * 1988-05-03 1989-11-16 The University Of Sydney Circularly birefringent optical fibre
JPH0226847A (ja) * 1988-07-15 1990-01-29 Sumitomo Electric Ind Ltd 偏波保持光ファイバの製造方法

Also Published As

Publication number Publication date
ZA995769B (en) 2000-03-29
BR9913124A (pt) 2001-05-15
ID28479A (id) 2001-05-31
EP1125153A2 (en) 2001-08-22
ZA200100472B (en) 2001-08-14
TW455710B (en) 2001-09-21
KR20010085768A (ko) 2001-09-07
AU5680599A (en) 2000-03-27
WO2000014581A3 (en) 2000-08-24
CN1317098A (zh) 2001-10-10
JP2002524766A (ja) 2002-08-06
WO2000014581A2 (en) 2000-03-16

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