IT1192737B - Procedimento per la fabbricazione di una fibra ottica adatta per la trasmissione di un modo singolo di luce - Google Patents

Procedimento per la fabbricazione di una fibra ottica adatta per la trasmissione di un modo singolo di luce

Info

Publication number
IT1192737B
IT1192737B IT23309/79A IT2330979A IT1192737B IT 1192737 B IT1192737 B IT 1192737B IT 23309/79 A IT23309/79 A IT 23309/79A IT 2330979 A IT2330979 A IT 2330979A IT 1192737 B IT1192737 B IT 1192737B
Authority
IT
Italy
Prior art keywords
procedure
manufacture
transmission
light
optical fiber
Prior art date
Application number
IT23309/79A
Other languages
English (en)
Other versions
IT7923309A0 (it
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT7923309A0 publication Critical patent/IT7923309A0/it
Application granted granted Critical
Publication of IT1192737B publication Critical patent/IT1192737B/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
    • C03B37/02709—Polarisation maintaining fibres, e.g. PM, PANDA, bi-refringent optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/0073—Re-forming shaped glass by blowing
    • C03B23/008—Vacuum-blowing
    • 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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • 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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01869—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
    • C03B37/02—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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
IT23309/79A 1978-06-09 1979-06-06 Procedimento per la fabbricazione di una fibra ottica adatta per la trasmissione di un modo singolo di luce IT1192737B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/914,246 US4184859A (en) 1978-06-09 1978-06-09 Method of fabricating an elliptical core single mode fiber

Publications (2)

Publication Number Publication Date
IT7923309A0 IT7923309A0 (it) 1979-06-06
IT1192737B true IT1192737B (it) 1988-05-04

Family

ID=25434077

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23309/79A IT1192737B (it) 1978-06-09 1979-06-06 Procedimento per la fabbricazione di una fibra ottica adatta per la trasmissione di un modo singolo di luce

Country Status (8)

Country Link
US (1) US4184859A (it)
JP (1) JPS5851893B2 (it)
AT (1) AT369717B (it)
CH (1) CH641427A5 (it)
DE (1) DE2922665A1 (it)
FR (1) FR2428265A1 (it)
GB (1) GB2022571B (it)
IT (1) IT1192737B (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930704A1 (de) * 1979-07-28 1981-02-12 Licentia Gmbh Verfahren zur herstellung einer lichtleitfaser
EP0032390B1 (en) * 1980-01-11 1987-04-22 Hitachi, Ltd. Method of producing a preform rod for an optical fiber
JPS5737305A (en) * 1980-08-18 1982-03-01 Hitachi Ltd Polarization plane preserving optical fiber
US4354736A (en) * 1980-06-18 1982-10-19 International Telephone And Telegraph Corporation Stress-induced birefringent single mode optical fiber and a method of fabricating the same
CA1177297A (en) * 1981-03-30 1984-11-06 Michael G. Blankenship Polarization retaining single-mode optical fibers and methods of making
US4415230A (en) * 1981-03-30 1983-11-15 Corning Glass Works Polarization retaining single-mode optical waveguide
US4360371A (en) * 1981-03-30 1982-11-23 Corning Glass Works Method of making polarization retaining single-mode optical waveguide
EP0067017B1 (en) * 1981-05-29 1987-03-04 Hitachi, Ltd. Polarization plane maintaining optical fiber and fabricating method therefor
DE3132010A1 (de) * 1981-08-13 1983-03-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren zur herstellung polarisationserhaltender optischer fasern"
JPS5835503A (ja) * 1981-08-27 1983-03-02 Nippon Telegr & Teleph Corp <Ntt> 零偏波分散単一直線偏波光フアイバ
DE3213704A1 (de) * 1982-04-14 1984-02-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Monomode lichtleitfaser
GB2123810B (en) * 1982-07-14 1986-12-03 Hitachi Cable Fabrication of single polarization optical fibres
US4950318A (en) * 1982-08-02 1990-08-21 Andrew Corporation Method of joining self-aligning optical fibers
JPS5969438A (ja) * 1982-10-15 1984-04-19 Hitachi Ltd 光フアイバ母材の製造方法
FR2539882B1 (fr) * 1983-01-21 1986-06-06 Comp Generale Electricite Procede d'elaboration d'une fibre optique apte a transmettre un rayonnement polarise lineairement et fibre optique obtenue par ce procede
US4549781A (en) * 1983-06-01 1985-10-29 Corning Glass Works Polarization-retaining single-mode optical waveguide
US4529426A (en) * 1983-07-22 1985-07-16 At&T Bell Laboratories Method of fabricating high birefringence fibers
DE3447081A1 (de) * 1984-05-26 1985-12-19 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
JPS61138496U (it) * 1985-02-20 1986-08-28
US4820322A (en) * 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
US5199966A (en) * 1988-04-29 1993-04-06 At&T Bell Laboratories Optical coupler method
US5180410A (en) * 1990-07-30 1993-01-19 Corning Incorporated Method of making polarization retaining fiber
DE4212602A1 (de) * 1992-04-15 1993-10-21 Sel Alcatel Ag Lichtwellenleiter sowie Verfahren und Vorrichtung zu seiner Herstellung
US5704960A (en) * 1995-12-20 1998-01-06 Corning, Inc. Method of forming an optical fiber for reduced polarization effects in amplifiers
KR100322131B1 (ko) * 1999-01-28 2002-02-04 윤종용 오.에이치.차단층을 구비한 광섬유 모재 및 그 제조방법
WO1999067178A1 (en) * 1998-06-25 1999-12-29 Samsung Electronics Co., Ltd. Optical fiber preform having oh barrier and manufacturing method thereof
CA2386975A1 (en) * 2001-05-16 2002-11-16 Thomas Szkopek Novel multimode fiber for narrowband bragg gratings
JP4777884B2 (ja) * 2003-06-19 2011-09-21 コーニング インコーポレイテッド 単偏光光ファイバおよびシステム並びにそれを製造する方法
US7200309B2 (en) * 2003-06-19 2007-04-03 Corning Incorporated Single polarization and polarization maintaining optical fibers and system utilizing same
WO2005082801A2 (en) 2004-02-20 2005-09-09 Corning Incorporated Optical fiber and method for making such fiber
US6970632B2 (en) * 2004-05-03 2005-11-29 Corning Incorporated Solid type single polarization fiber and apparatus
US7198549B2 (en) * 2004-06-16 2007-04-03 Cabot Microelectronics Corporation Continuous contour polishing of a multi-material surface
US7158705B2 (en) * 2004-08-30 2007-01-02 Corning Incorporated Optical fiber with birefringence and large mode field diameter
US7203407B2 (en) * 2004-10-21 2007-04-10 Corning Incorporated Rare earth doped single polarization double clad optical fiber and a method for making such fiber
US7280728B2 (en) * 2004-10-22 2007-10-09 Corning Incorporated Rare earth doped single polarization double clad optical fiber with plurality of air holes
RU2552279C1 (ru) * 2014-02-25 2015-06-10 Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук Способ изготовления оптического волокна с эллиптической сердцевиной
CN104310947A (zh) * 2014-10-29 2015-01-28 国家电网公司 一种纤维增强复合材料地脚螺栓

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243278A (en) * 1961-01-30 1966-03-29 Duro Test Corp Apparatus for controlled movement of flame heating means to form spiral lamp tubes
US3293019A (en) * 1963-09-05 1966-12-20 Corning Glass Works Method for reshaping glass articles
DE2516387A1 (de) * 1975-04-15 1976-10-21 Siemens Ag Verfahren zur herstellung von optischen einmaterialfasern
JPS51146243A (en) * 1975-06-11 1976-12-15 Hitachi Ltd Process for manufacturing optical fiber
US3982916A (en) * 1975-12-24 1976-09-28 Bell Telephone Laboratories, Incorporated Method for forming optical fiber preform
NL193330C (nl) * 1978-01-13 1999-06-02 Western Electric Co Optische golfleider en werkwijze voor het vervaardigen daarvan.

Also Published As

Publication number Publication date
JPS5851893B2 (ja) 1983-11-18
IT7923309A0 (it) 1979-06-06
ATA525479A (de) 1982-06-15
CH641427A5 (de) 1984-02-29
GB2022571A (en) 1979-12-19
GB2022571B (en) 1982-08-25
DE2922665A1 (de) 1979-12-20
FR2428265A1 (fr) 1980-01-04
FR2428265B1 (it) 1984-11-30
JPS552293A (en) 1980-01-09
AT369717B (de) 1983-01-25
US4184859A (en) 1980-01-22
DE2922665C2 (it) 1988-10-13

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