DE69434585D1 - Optische vorform mit kontrolierter und tiefliegender verbundener grenzflächenschicht - Google Patents

Optische vorform mit kontrolierter und tiefliegender verbundener grenzflächenschicht

Info

Publication number
DE69434585D1
DE69434585D1 DE69434585T DE69434585T DE69434585D1 DE 69434585 D1 DE69434585 D1 DE 69434585D1 DE 69434585 T DE69434585 T DE 69434585T DE 69434585 T DE69434585 T DE 69434585T DE 69434585 D1 DE69434585 D1 DE 69434585D1
Authority
DE
Germany
Prior art keywords
preform
tube
combined
controlled
low
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
DE69434585T
Other languages
English (en)
Other versions
DE69434585T2 (de
Inventor
Robert M Ward
David N Pulsifer
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.)
Individual
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
Application granted granted Critical
Publication of DE69434585D1 publication Critical patent/DE69434585D1/de
Publication of DE69434585T2 publication Critical patent/DE69434585T2/de
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
    • G02B6/02—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
    • G02B6/03622—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 2 layers only
    • G02B6/03633—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 2 layers only arranged - -
    • 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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • 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
    • C03B37/0126—Means for supporting, rotating, translating the rod, tube or preform
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
    • 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
DE69434585T 1993-03-02 1994-03-01 Optische vorform mit kontrollierter und tiefliegender verbundener grenzflächenschicht Expired - Fee Related DE69434585T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25079 1993-03-02
US08/025,079 US5522003A (en) 1993-03-02 1993-03-02 Glass preform with deep radial gradient layer and method of manufacturing same
PCT/US1994/002207 WO1994020870A1 (en) 1993-03-02 1994-03-01 Optical preform with controlled and deeply placed radial bonded interface layer

Publications (2)

Publication Number Publication Date
DE69434585D1 true DE69434585D1 (de) 2006-01-26
DE69434585T2 DE69434585T2 (de) 2006-07-13

Family

ID=21823935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434585T Expired - Fee Related DE69434585T2 (de) 1993-03-02 1994-03-01 Optische vorform mit kontrollierter und tiefliegender verbundener grenzflächenschicht

Country Status (9)

Country Link
US (2) US5522003A (de)
EP (1) EP0738239B1 (de)
JP (1) JP3652366B2 (de)
KR (1) KR100535956B1 (de)
AT (1) ATE313520T1 (de)
AU (1) AU6356294A (de)
DE (1) DE69434585T2 (de)
DK (1) DK0738239T3 (de)
WO (1) WO1994020870A1 (de)

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WO1997018170A1 (en) * 1995-11-16 1997-05-22 Richard Blankenbecler Refractive elements with radially graded properties and methods of making same
US6027769A (en) * 1998-08-24 2000-02-22 Gajewski; Vincent J. Method for producing cylindrical objects of multilayer dissimilar compositions without interfaces
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US6598429B1 (en) 2000-11-17 2003-07-29 Beamtek, Inc. Method for fabricating gradient-index rods and rod arrays
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US20060196444A1 (en) * 2005-03-01 2006-09-07 Dad's Products Company, Inc. Animal treat and method of making same, and containers for holding an improved animal treat
US7724439B2 (en) * 2007-10-24 2010-05-25 Aptina Imaging Corporation Lens, a lens array and imaging device and system having a lens, and method of forming the same
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JP5995923B2 (ja) * 2014-08-06 2016-09-21 古河電気工業株式会社 光ファイバ母材および光ファイバの製造方法

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EP0738239B1 (de) 2005-12-21
AU6356294A (en) 1994-09-26
DK0738239T3 (da) 2006-03-06
WO1994020870A1 (en) 1994-09-15
JP3652366B2 (ja) 2005-05-25
JPH08507492A (ja) 1996-08-13
ATE313520T1 (de) 2006-01-15
DE69434585T2 (de) 2006-07-13
US5673353A (en) 1997-09-30
US5522003A (en) 1996-05-28
EP0738239A1 (de) 1996-10-23
KR100535956B1 (ko) 2006-04-17
EP0738239A4 (de) 1996-04-17

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