FR2278087A1 - Perfectionnements aux methodes de fabrication par etirage de guides d'ondes optiques et appareil de mise en oeuvre du procede - Google Patents

Perfectionnements aux methodes de fabrication par etirage de guides d'ondes optiques et appareil de mise en oeuvre du procede

Info

Publication number
FR2278087A1
FR2278087A1 FR7521718A FR7521718A FR2278087A1 FR 2278087 A1 FR2278087 A1 FR 2278087A1 FR 7521718 A FR7521718 A FR 7521718A FR 7521718 A FR7521718 A FR 7521718A FR 2278087 A1 FR2278087 A1 FR 2278087A1
Authority
FR
France
Prior art keywords
implementing
optical waveguides
manufacturing methods
stretching optical
stretching
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.)
Granted
Application number
FR7521718A
Other languages
English (en)
Other versions
FR2278087B1 (fr
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of FR2278087A1 publication Critical patent/FR2278087A1/fr
Application granted granted Critical
Publication of FR2278087B1 publication Critical patent/FR2278087B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining
    • C03B5/2252—Refining under reduced pressure, e.g. with vacuum refiners
    • 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • 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
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/085—Feeding devices therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Glass Melting And Manufacturing (AREA)
FR7521718A 1974-07-10 1975-07-10 Perfectionnements aux methodes de fabrication par etirage de guides d'ondes optiques et appareil de mise en oeuvre du procede Granted FR2278087A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30525/74A GB1507144A (en) 1974-07-10 1974-07-10 Apparatus for drawing dielectric optical waveguides

Publications (2)

Publication Number Publication Date
FR2278087A1 true FR2278087A1 (fr) 1976-02-06
FR2278087B1 FR2278087B1 (fr) 1982-03-05

Family

ID=10309034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521718A Granted FR2278087A1 (fr) 1974-07-10 1975-07-10 Perfectionnements aux methodes de fabrication par etirage de guides d'ondes optiques et appareil de mise en oeuvre du procede

Country Status (7)

Country Link
US (1) US4040807A (fr)
JP (2) JPS5159915A (fr)
CA (1) CA1053004A (fr)
DE (2) DE2559895C2 (fr)
FR (1) FR2278087A1 (fr)
GB (1) GB1507144A (fr)
NL (2) NL178243C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306947A1 (fr) * 1975-04-10 1976-11-05 Int Standard Electric Corp Transducteurs et segments de fibres optiques ainsi que leur procede de fabrication
FR2437381A1 (fr) * 1978-09-29 1980-04-25 Siemens Ag Procede pour fabriquer des fibres optiques presentant un affaiblissement reduit et une grande ouverture numerique

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1532571A (en) * 1976-02-03 1978-11-15 Standard Telephones Cables Ltd Optical fibre manufacture
JPS5313619A (en) * 1976-07-26 1978-02-07 Nippon Telegraph & Telephone Process for preparing doped silica glass
DE2654308A1 (de) * 1976-11-30 1978-06-01 Siemens Ag Doppeltiegelanlage zur herstellung von lichtleitfasern
JPS5393847A (en) * 1977-01-27 1978-08-17 Nippon Sheet Glass Co Ltd Production method of light fiber
US4110090A (en) * 1977-03-02 1978-08-29 Gte Laboratories Incorporated Method of forming optical fibers
JPS6037061B2 (ja) * 1977-05-30 1985-08-23 日本電信電話株式会社 光フアイバ用ガラスの製造方法
CA1109083A (fr) * 1977-06-28 1981-09-15 Keith J. Beales Verre pour fibres optiques
DE2734152A1 (de) * 1977-07-28 1979-02-08 Siemens Ag Vorrichtung zum ziehen eines buendels von kern-mantel-lichtleitfasern
EP0004183B1 (fr) * 1978-03-14 1981-09-16 The Post Office Procédé et appareil pour l'étirage de fibres optiques au moyen d'un double creuset
JPS6246934A (ja) * 1985-08-22 1987-02-28 Kokusai Denshin Denwa Co Ltd <Kdd> フツ化物ガラスフアイバ用母材の製造方法及び装置
US4792347A (en) * 1986-09-25 1988-12-20 Corning Glass Works Method for coating optical waveguide fiber
US5069701A (en) * 1987-07-13 1991-12-03 Hughes Aircraft Company Preparation of fluoride glass by chemical vapor deposition
US4885019A (en) * 1988-01-28 1989-12-05 The United States Of America As Represented By The Secretary Of The Air Force Process for making bulk heavy metal fluoride glasses
US4898603A (en) * 1988-07-25 1990-02-06 The United States Of America As Represented By The Secretary Of The Air Force Method for manufacturing halide glass optical fiber
US5100449A (en) * 1990-08-16 1992-03-31 Corning Incorporated Method of forming glass articles
JPH0710548A (ja) * 1993-06-18 1995-01-13 Sumitomo Electric Ind Ltd フッ化物ガラスの製造方法
DE4339077C2 (de) * 1993-11-16 1997-03-06 Rheydt Kabelwerk Ag Verfahren zum Ziehen einer optischen Faser und Vorrichtung zu dessen Durchführung
US5843231A (en) * 1996-09-24 1998-12-01 Alcatel Telecommunications Cable Apparatus for bubble stripping and coating a fiber
JP2001503007A (ja) * 1996-10-25 2001-03-06 コーニング インコーポレイテッド 延伸ファイバの破断源を低減するための装置及び方法
US6279352B1 (en) * 1999-12-30 2001-08-28 Corning Incorporated Long hot zone furnace element and optical fiber drawing method practiced therewith
US8394813B2 (en) * 2000-11-14 2013-03-12 Shire Llc Active agent delivery systems and methods for protecting and administering active agents
US7427758B2 (en) 2003-05-28 2008-09-23 Opto-Knowledge Systems, Inc. Cryogenically cooled adjustable apertures for infra-red cameras
JP4898445B2 (ja) * 2003-05-29 2012-03-14 シャイア エルエルシー 乱用抵抗性アンフェタミン化合物類
US20050111801A1 (en) * 2003-11-25 2005-05-26 Opto-Knowledge Systems, Inc. Flexible Optical Fiber Ribbon Cable, Fiber Optic Reformattor, and Method for Making Same Cable and Reformattor
US8164813B1 (en) 2007-06-16 2012-04-24 Opto-Knowledge Systems, Inc. Non-circular continuous variable aperture or shutter for infrared cameras
US8836793B1 (en) 2010-08-13 2014-09-16 Opto-Knowledge Systems, Inc. True color night vision (TCNV) fusion

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261074A (fr) * 1958-08-11
US3248193A (en) * 1960-03-14 1966-04-26 Pittsburgh Plate Glass Co Method for drawing glass
US3288583A (en) * 1962-06-07 1966-11-29 Bausch & Lomb Apparatus for producing optical fiber
US3298811A (en) * 1963-04-23 1967-01-17 Bell Telephone Labor Inc Preparation of cerium-containing glasses
US3387961A (en) 1965-01-25 1968-06-11 Corning Glass Works Method of reducing reboil in molten glass
FR1496223A (fr) * 1966-08-19 1967-09-29 Saint Gobain Procédé et dispositif pour la fabrication de fibres dites
BE755899A (fr) * 1969-09-15 1971-03-09 Ici Ltd Ameliorations a la production de fibres de verre
GB1313106A (en) * 1969-10-14 1973-04-11 Pilkington Brothers Ltd Manufacture of clad glass
US3717450A (en) * 1970-12-01 1973-02-20 Sylvania Electric Prod Furnace for manufacture of striationfree quartz tubing
JPS5115454Y2 (fr) * 1971-05-13 1976-04-23
US3871853A (en) * 1971-09-01 1975-03-18 Owens Illinois Inc Method of melting glass in a platinum container in a controlled atmosphere
DE2204862A1 (de) * 1972-02-02 1973-09-20 Hansgeorg Dipl Phys Schindler Verfahren zur herstellung eines flexiblen lichtleiters, insbesondere fuer laserstrahlen
US3868170A (en) * 1972-03-30 1975-02-25 Corning Glass Works Method of removing entrapped gas and/or residual water from glass
US3837824A (en) * 1973-05-29 1974-09-24 American Optical Corp Drawing optical fiber under superatmospheric pressure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306947A1 (fr) * 1975-04-10 1976-11-05 Int Standard Electric Corp Transducteurs et segments de fibres optiques ainsi que leur procede de fabrication
FR2437381A1 (fr) * 1978-09-29 1980-04-25 Siemens Ag Procede pour fabriquer des fibres optiques presentant un affaiblissement reduit et une grande ouverture numerique

Also Published As

Publication number Publication date
NL7508092A (nl) 1976-01-13
GB1507144A (en) 1978-04-12
DE2530684C3 (de) 1982-12-09
DE2530684A1 (de) 1976-01-29
CA1053004A (fr) 1979-04-24
NL178243C (nl) 1986-02-17
JPS5159915A (en) 1976-05-25
AU8262775A (en) 1977-01-06
FR2278087B1 (fr) 1982-03-05
DE2530684B2 (de) 1978-06-29
JPS589838A (ja) 1983-01-20
DE2559895C2 (de) 1982-10-28
US4040807A (en) 1977-08-09
NL8500216A (nl) 1985-05-01

Similar Documents

Publication Publication Date Title
NO139954C (no) Fremgangsmaate og apparatur for fremstilling av fibre
BE864672A (fr) Procede et appareil pour le moulage de lentilles plastiques optiques du type standard et bifocal
FR2275786A1 (fr) Procede pour la realisation d&#39;un guide d&#39;ondes optique en verre
FR2290675A1 (fr) Procede et appareil de raccordement de fibres optiques
FR1395208A (fr) Procédé et appareil pour la fabrication du verre
IT1085755B (it) Apparecchiatura e metodo per la misura di pressioni e la indicazione di perdite mediante analisi ottiche
FR2320272A1 (fr) Appareil et procede pour la production de tube en verre composite
FR2319588A1 (fr) Procede et appareil pour raccorder des fibres optiques
FR2298808A1 (fr) Procede et appareil optiques de transformations geometriques
BE858581A (fr) Procede et appareil pour la fabrication du coke metallurgique
FR1546709A (fr) Procédé et appareil pour la fabrication en système continu de nitrosodérivés d&#39;hydrocarbures
FR2276578A1 (fr) Procede et appareil d&#39;essais de traction pour pellicules metalliques minces
FR2339458A1 (fr) Procede de fabrication de poudres metallurgiques et appareil pour la mise en oeuvre du procede
CH542437A (fr) Cuvette optique et procédé pour sa fabrication
BE857691A (fr) Procede et appareil pour former des fibres de verre par etirage
BE834148A (fr) Procede et appareillage pour la fabrication de tuyaux
CH491825A (fr) Procédé de fabrication d&#39;un ruban stratifié, appareil pour la mise en oeuvre du procédé et ruban de verre obtenu par le procédé
FR2336192A1 (fr) Appareil et procede pour l&#39;extrusion etagee
CH452127A (fr) Procédé de fabrication de verre en feuilles continues et appareil pour la mise en oeuvre du procédé
BE852325A (fr) Procede et appareil pour etirer une pellicule
FR2273787A1 (fr) Procede et appareil pour fabriquer du methanol
CH397972A (fr) Procédé de fabrication d&#39;une plaque de verre et appareil pour la mise en oeuvre de ce procédé
DK452777A (da) Fremgangsmaade og apparat til afproevning af optiske linser
BE758445A (fr) Procede et appareil pour le courbage du verre
FR1401615A (fr) Procédé et appareil de reproduction d&#39;images optiques

Legal Events

Date Code Title Description
TP Transmission of property