IT1039119B - Procedimento per la produzione di guide d onda ottiche di vetro - Google Patents

Procedimento per la produzione di guide d onda ottiche di vetro

Info

Publication number
IT1039119B
IT1039119B IT24542/75A IT2454275A IT1039119B IT 1039119 B IT1039119 B IT 1039119B IT 24542/75 A IT24542/75 A IT 24542/75A IT 2454275 A IT2454275 A IT 2454275A IT 1039119 B IT1039119 B IT 1039119B
Authority
IT
Italy
Prior art keywords
procedure
production
optical glass
wave guides
glass wave
Prior art date
Application number
IT24542/75A
Other languages
English (en)
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of IT1039119B publication Critical patent/IT1039119B/it

Links

Classifications

    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02754—Solid fibres drawn from hollow preforms
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01473—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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
    • C03B37/01493—Deposition substrates, e.g. targets, mandrels, start rods or tubes
    • 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
    • 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
    • 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
    • C03B2203/24—Single mode [SM or monomode]
    • 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
    • C03B2203/28—Large core fibres, e.g. with a core diameter greater than 60 micrometers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/14—Drawing solid optical fibre directly from a hollow preform comprising collapse of an outer tube onto an inner central solid preform rod
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Integrated Circuits (AREA)
IT24542/75A 1974-06-21 1975-06-19 Procedimento per la produzione di guide d onda ottiche di vetro IT1039119B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/481,529 US3932162A (en) 1974-06-21 1974-06-21 Method of making glass optical waveguide

Publications (1)

Publication Number Publication Date
IT1039119B true IT1039119B (it) 1979-12-10

Family

ID=23912283

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24542/75A IT1039119B (it) 1974-06-21 1975-06-19 Procedimento per la produzione di guide d onda ottiche di vetro

Country Status (10)

Country Link
US (1) US3932162A (it)
JP (1) JPS5843336B2 (it)
AT (1) AT382361B (it)
CA (1) CA1061565A (it)
DE (1) DE2523401A1 (it)
FR (1) FR2275786A1 (it)
GB (1) GB1466496A (it)
IT (1) IT1039119B (it)
NL (1) NL7507399A (it)
SE (1) SE407566C (it)

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US4145456A (en) * 1974-09-14 1979-03-20 Dieter Kuppers Method of producing internally coated glass tubes for the drawing of fibre optic light conductors
DE2444100C3 (de) * 1974-09-14 1979-04-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur Herstellung von innenbeschichteten Glasrohren zum Ziehen von Lichtleitfasern
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US4173459A (en) * 1976-08-30 1979-11-06 Siemens Aktiengesellschaft Method for producing a light conducting fiber
US4198223A (en) * 1977-05-17 1980-04-15 International Telephone And Telegraph Corporation Continuous fiber fabrication process
GB1551657A (en) * 1977-05-17 1979-08-30 Standard Telephones Cables Ltd Manufacture of optical fibres
US4204850A (en) * 1977-08-26 1980-05-27 Corning Glass Works Carbon coating for a starting member used in producing optical waveguide
US4274854A (en) * 1978-01-13 1981-06-23 Bell Telephone Laboratories, Incorporated Polarization-preserving optical fiber
FR2441858A1 (fr) * 1978-11-17 1980-06-13 Comp Generale Electricite Fibre optique
GB2043619B (en) * 1979-03-07 1983-01-26 Standard Telephones Cables Ltd Optical fibre and optical fibre preform manufacture
FR2504514B1 (fr) * 1981-04-24 1985-05-31 Comp Generale Electricite Procede d'elaboration d'une ebauche de fibre optique
DE3207274C1 (de) * 1982-03-01 1983-04-07 Achthal-Maschinenbau-GmbH, 8012 Ottobrunn Verfahren zum Polieren von vorgeschliffenen Oberflaechen an Werkstuecken aus Glas
US4639079A (en) * 1982-09-29 1987-01-27 Corning Glass Works Optical fiber preform and method
US4749396A (en) * 1985-01-25 1988-06-07 Polaroid Corporation Method of forming an optical fiber preform
JPS6236035A (ja) * 1985-04-18 1987-02-17 Sumitomo Electric Ind Ltd 光フアイバ母材の製造方法
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
DE3731604A1 (de) * 1987-09-19 1989-03-30 Philips Patentverwaltung Verfahren zur herstellung einer monomode-lichtleitfaser
DE3731806A1 (de) * 1987-09-22 1989-06-08 Rheydt Kabelwerk Ag Verfahren zum herstellen einer vorform fuer optische fasern
US5055120A (en) * 1987-12-15 1991-10-08 Infrared Fiber Systems, Inc. Fluoride glass fibers with reduced defects
US5030217A (en) * 1988-04-14 1991-07-09 Heraeus Lasersonics, Inc. Medical laser probe and method of delivering CO2 radiation
US4911712A (en) * 1988-04-14 1990-03-27 Heraeus Lasersonics, Inc. Medical laser probe
US4983195A (en) * 1990-01-04 1991-01-08 Corning Incorporated Method of making fiber optic coupler with longitudinal protrusions
US5043002A (en) * 1990-08-16 1991-08-27 Corning Incorporated Method of making fused silica by decomposing siloxanes
US5318611A (en) * 1992-03-13 1994-06-07 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides and waveguides made thereby
DE69319999T2 (de) * 1992-11-19 1999-03-18 Heraeus Quarzglas Verfahren zur Herstellung eines grossen Quarzglasrohres, sowie einer Vorform und einer optischen Faser
GB9312634D0 (en) * 1993-06-18 1993-08-04 Tsl Group Plc Improvements in vitreous silica manufacture
US5653034A (en) * 1995-05-24 1997-08-05 Trijicon, Inc. Reflex sighting device for day and night sighting
US5822488A (en) * 1995-10-04 1998-10-13 Sumitomo Electric Industries, Inc. Single-mode optical fiber with plural core portions
SE511083C2 (sv) * 1995-12-06 1999-08-02 Sumitomo Electric Industries Förfarande för att förlänga glasförform
US6919054B2 (en) * 2002-04-10 2005-07-19 Neophotonics Corporation Reactant nozzles within flowing reactors
US7575784B1 (en) 2000-10-17 2009-08-18 Nanogram Corporation Coating formation by reactive deposition
US20090075083A1 (en) * 1997-07-21 2009-03-19 Nanogram Corporation Nanoparticle production and corresponding structures
US6952504B2 (en) 2001-12-21 2005-10-04 Neophotonics Corporation Three dimensional engineering of planar optical structures
US20060147369A1 (en) * 1997-07-21 2006-07-06 Neophotonics Corporation Nanoparticle production and corresponding structures
US7384680B2 (en) * 1997-07-21 2008-06-10 Nanogram Corporation Nanoparticle-based power coatings and corresponding structures
US5924234A (en) * 1997-11-20 1999-07-20 Trijicon, Inc. Optical sighting device
CN1350653A (zh) * 1998-09-16 2002-05-22 约尔特有限公司 无电子线路的无线光纤通信
DE19852704A1 (de) * 1998-11-16 2000-05-18 Heraeus Quarzglas Verfahren zur Herstellung einer Vorform für eine optische Faser und für die Durchführung des Verfahrens geeignetes Substratrohr
US6438303B1 (en) 1999-02-22 2002-08-20 Corning Incorporated Laser optimized multimode fiber and method for use with laser and LED sources and system employing same
WO2000050941A1 (en) * 1999-02-22 2000-08-31 Corning Incorporated Laser optimized multimode fiber and method for use with laser and led sources and system employing same
EP2423170B1 (en) * 1999-06-22 2013-08-21 Mitsubishi Cable Industries, Ltd. Method for manufacturing a glass optical fiber preform
DE19952821B4 (de) * 1999-11-02 2004-05-06 Heraeus Tenevo Ag Verfahren zur Herstellung einer Quarzglas-Vorform für Lichtleitfasern
WO2002026647A1 (en) * 2000-09-28 2002-04-04 Corning Incorporated Optical glass silica soot particles and method of making same
EP1333935A4 (en) * 2000-10-17 2008-04-02 Nanogram Corp PREPARATION OF A COAT BY REACTIVE DEPOSITION
DK1335829T3 (da) * 2000-10-26 2011-12-05 Neophotonics Corp Optiske strukturer med flere lag
US6687445B2 (en) * 2001-06-25 2004-02-03 Nufern Double-clad optical fiber for lasers and amplifiers
US7272285B2 (en) * 2001-07-16 2007-09-18 Massachusetts Institute Of Technology Fiber waveguides and methods of making the same
US6917511B1 (en) 2001-08-14 2005-07-12 Neophotonics Corporation Reactive deposition for the formation of chip capacitors
US6723435B1 (en) * 2001-08-28 2004-04-20 Nanogram Corporation Optical fiber preforms
US6769275B2 (en) 2002-03-15 2004-08-03 Fibercore, Inc. Method for making optical fiber preform using simultaneous inside and outside deposition
US6807742B2 (en) * 2002-09-06 2004-10-26 Trijicon, Inc. Reflex sight with multiple power sources for reticle
FR2847895B1 (fr) * 2002-11-28 2006-06-02 Cit Alcatel Procede de fabrication d'une fibre optique a revetements de natures distinctes
US7430881B2 (en) * 2003-01-10 2008-10-07 Weatherford/Lamb, Inc. Method of making an optical fiber attachment device
US7521097B2 (en) * 2003-06-06 2009-04-21 Nanogram Corporation Reactive deposition for electrochemical cell production
US8865271B2 (en) 2003-06-06 2014-10-21 Neophotonics Corporation High rate deposition for the formation of high quality optical coatings
US7793612B2 (en) 2003-08-01 2010-09-14 Silica Tech, Llc Ring plasma jet method and apparatus for making an optical fiber preform
US20050092030A1 (en) * 2003-10-31 2005-05-05 Jitendra Balakrishnan Method and apparatus for depositing glass soot
BR0318672B1 (pt) * 2003-12-24 2012-01-24 processo para produzir uma pré-forma de núcleo de vidro para uma fibra óptica de baixa atenuação.
US7404302B2 (en) * 2004-05-27 2008-07-29 Corning Incorporated Method of depositing glass soot
US7491431B2 (en) * 2004-12-20 2009-02-17 Nanogram Corporation Dense coating formation by reactive deposition
US9873629B2 (en) * 2011-06-30 2018-01-23 Corning Incorporated Methods for producing optical fiber preforms with low index trenches
US9702490B2 (en) 2013-04-30 2017-07-11 Corning Incorporated Sealing method for silicon carbide parts used at high temperatures
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
CA2897130A1 (en) * 2015-07-14 2017-01-14 Oz Optics Ltd. Method for the fabrication of optical waveguide devices in photonic crystal fibers and in waveguides with hollow structures
US11780762B2 (en) * 2016-03-03 2023-10-10 Prysmian S.P.A. Method for manufacturing a preform for optical fibers
US10294146B2 (en) 2016-08-31 2019-05-21 Corning Incorporated Single mode optical fibers with Brillouin frequency-shift management
TWI794271B (zh) 2017-08-18 2023-03-01 美商康寧公司 玻璃系兆赫光波導及其形成方法
CN111635127B (zh) * 2020-05-08 2023-06-09 江苏永鼎光纤科技有限公司 含有功能性石英包层的光纤预制棒及其制备方法

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US3455667A (en) * 1966-05-06 1969-07-15 American Optical Corp Method of making optical couplers
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
US3737292A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming optical waveguide fibers
US3737293A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming an economic optical waveguide fiber
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
GB1371740A (en) * 1973-03-29 1974-10-23 Standard Telephones Cables Ltd Coating optical fibres
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FR2246507B1 (it) * 1973-10-09 1977-09-16 Sumitomo Electric Industries

Also Published As

Publication number Publication date
ATA463175A (de) 1980-12-15
GB1466496A (en) 1977-03-09
AT382361B (de) 1987-02-25
DE2523401A1 (de) 1976-01-08
SE407566B (sv) 1979-04-02
SE7507035L (sv) 1975-12-23
CA1061565A (en) 1979-09-04
FR2275786A1 (fr) 1976-01-16
NL7507399A (nl) 1975-12-23
JPS5114336A (en) 1976-02-04
JPS5843336B2 (ja) 1983-09-26
US3932162A (en) 1976-01-13
FR2275786B1 (it) 1981-08-07
SE407566C (sv) 1980-09-18

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