JPH0134938B2 - - Google Patents
Info
- Publication number
- JPH0134938B2 JPH0134938B2 JP59237669A JP23766984A JPH0134938B2 JP H0134938 B2 JPH0134938 B2 JP H0134938B2 JP 59237669 A JP59237669 A JP 59237669A JP 23766984 A JP23766984 A JP 23766984A JP H0134938 B2 JPH0134938 B2 JP H0134938B2
- Authority
- JP
- Japan
- Prior art keywords
- cladding
- gas
- core material
- core
- tube
- 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
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
- C03B37/012—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
 
- 
        - Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/15—Nonoxygen containing chalogenides
- Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
 
- 
        - Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/90—Drying, dehydration, minimizing oh groups
 
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP59237669A JPS61117126A (ja) | 1984-11-13 | 1984-11-13 | 光フアイバ用母材の製造方法 | 
| US06/794,847 US4668263A (en) | 1984-11-13 | 1985-11-04 | Method for producing glass preform for optical fiber | 
| AU49433/85A AU578983B2 (en) | 1984-11-13 | 1985-11-07 | Method for producing glass preform for optical fiber | 
| CA000495004A CA1272604A (en) | 1984-11-13 | 1985-11-12 | Method for producing glass preform for optical fiber | 
| DE8585114363T DE3584073D1 (de) | 1984-11-13 | 1985-11-12 | Verfahren zur herstellung von glasvorformen fuer optische fasern. | 
| EP85114363A EP0182250B1 (en) | 1984-11-13 | 1985-11-12 | Method for producing glass preform for optical fiber | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP59237669A JPS61117126A (ja) | 1984-11-13 | 1984-11-13 | 光フアイバ用母材の製造方法 | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS61117126A JPS61117126A (ja) | 1986-06-04 | 
| JPH0134938B2 true JPH0134938B2 (OSRAM) | 1989-07-21 | 
Family
ID=17018747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP59237669A Granted JPS61117126A (ja) | 1984-11-13 | 1984-11-13 | 光フアイバ用母材の製造方法 | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US4668263A (OSRAM) | 
| EP (1) | EP0182250B1 (OSRAM) | 
| JP (1) | JPS61117126A (OSRAM) | 
| AU (1) | AU578983B2 (OSRAM) | 
| CA (1) | CA1272604A (OSRAM) | 
| DE (1) | DE3584073D1 (OSRAM) | 
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE3619510A1 (de) * | 1986-06-10 | 1987-12-17 | Philips Patentverwaltung | Verfahren zur herstellung von glas- oder keramischen koerpern | 
| JPS63100033A (ja) * | 1986-10-15 | 1988-05-02 | Sumitomo Electric Ind Ltd | 光フアイバ母材の製造方法 | 
| US5055120A (en) * | 1987-12-15 | 1991-10-08 | Infrared Fiber Systems, Inc. | Fluoride glass fibers with reduced defects | 
| US5026409A (en) * | 1989-01-03 | 1991-06-25 | Hughes Aircraft Company | Preparation of fluoride glass optical preforms and fibers | 
| DE3911745A1 (de) * | 1989-04-11 | 1990-10-25 | Philips Patentverwaltung | Verfahren zur herstellung von glaskoerpern mit bereichen unterschiedlicher optischer brechung | 
| FR2649690B1 (fr) * | 1989-07-11 | 1994-01-28 | Cie Generale D Electricite | Procede de fabrication de preformes pour fibres optiques sans symetrie de revolution | 
| US5039325A (en) * | 1990-01-02 | 1991-08-13 | At&T Bell Laboratories | Method for consolidating doped glass using an encapsulating structure | 
| US5076824A (en) * | 1990-05-14 | 1991-12-31 | At&T Bell Laboratories | Method of making fiber optical preform with pyrolytic coated mandrel | 
| JPH04270132A (ja) * | 1991-02-25 | 1992-09-25 | Sumitomo Electric Ind Ltd | 光ファイバ用ガラス母材の製造方法 | 
| GB9120701D0 (en) * | 1991-09-30 | 1991-11-13 | British Telecomm | Surface treatment of halide glass articles | 
| KR0177088B1 (ko) * | 1993-11-29 | 1999-05-15 | 김광호 | 단일모드 광섬유 1차 모재 오버크래딩 방법 및 장치 | 
| EP0716047A3 (en) * | 1994-12-02 | 1996-10-09 | Fibercore Inc | Method and apparatus for making an optical fiber preform | 
| AU735014B2 (en) * | 1994-12-20 | 2001-06-28 | Corning Incorporated | Method of making optical fiber having depressed index core region | 
| CA2161939A1 (en) | 1994-12-20 | 1996-06-21 | George E. Berkey | Method of making optical fiber having depressed index core region | 
| US5917109A (en) * | 1994-12-20 | 1999-06-29 | Corning Incorporated | Method of making optical fiber having depressed index core region | 
| US5894537A (en) * | 1996-01-11 | 1999-04-13 | Corning Incorporated | Dispersion managed optical waveguide | 
| US20020069677A1 (en) * | 1996-04-29 | 2002-06-13 | Berkey George E. | Optical fiber and method of making optical fiber | 
| CA2247970A1 (en) | 1997-10-29 | 1999-04-29 | Corning Incorporated | Method of making segmented core optical waveguide preforms | 
| JP3775548B2 (ja) * | 1998-10-16 | 2006-05-17 | 信越石英株式会社 | 溶接方法 | 
| KR100306381B1 (ko) * | 1998-12-10 | 2001-11-30 | 윤종용 | 증착튜브의응축및클로징을위한광섬유모재제조장치및그방법 | 
| US6711918B1 (en) | 2001-02-06 | 2004-03-30 | Sandia National Laboratories | Method of bundling rods so as to form an optical fiber preform | 
| US6574994B2 (en) | 2001-06-18 | 2003-06-10 | Corning Incorporated | Method of manufacturing multi-segmented optical fiber and preform | 
| KR100490135B1 (ko) * | 2001-11-12 | 2005-05-17 | 엘에스전선 주식회사 | 광섬유 비원율 개선을 통한 편광모드 분산 특성 향상을위한 광섬유 모재 제조 방법 | 
| WO2003052173A1 (en) * | 2001-12-14 | 2003-06-26 | Corning Incorporated | Two step etching process for an optical fiber preform | 
| NL1019675C2 (nl) * | 2001-12-28 | 2003-07-01 | Draka Fibre Technology Bv | Werkwijze voor het onder verwarmen contraheren van een holle substraatbuis tot een staafvormige voorvorm. | 
| US20050204780A1 (en) * | 2002-05-09 | 2005-09-22 | The Furukawa Electric Co., Ltd. | Method for manufacturing optical fiber | 
| US6966201B2 (en) * | 2002-08-16 | 2005-11-22 | Furukawa Electric North America, Inc. | High-temperature sintering of soot bodies doped using molecular stuffing | 
| CA2454896A1 (en) * | 2003-01-16 | 2004-07-16 | Sumitomo Electric Industries, Ltd. | Method of producing optical fiber preform, and optical fiber preform and optical fiber produced with the method | 
| US20040144133A1 (en) * | 2003-01-23 | 2004-07-29 | Fletcher Joseph Patrick | Methods for joining glass preforms in optical fiber manufacturing | 
| JP5176274B2 (ja) * | 2003-05-19 | 2013-04-03 | 住友電気工業株式会社 | 光ファイバとその製造方法 | 
| US7647792B2 (en) * | 2003-11-11 | 2010-01-19 | Fujikura Ltd. | Method for fabricating porous silica preform | 
| US20050144986A1 (en) * | 2003-12-30 | 2005-07-07 | Bookbinder Dana C. | Method of making an optical fiber preform | 
| WO2006005111A1 (en) * | 2004-07-08 | 2006-01-19 | Swinburne University Of Technology | Fibre sensor production | 
| US20070003198A1 (en) * | 2005-06-29 | 2007-01-04 | Lance Gibson | Low loss optical fiber designs and methods for their manufacture | 
| JP2007063094A (ja) * | 2005-09-01 | 2007-03-15 | Sumitomo Electric Ind Ltd | 石英管の内面処理方法、光ファイバ母材製造方法及び光ファイバ製造方法 | 
| US7768700B1 (en) | 2006-11-30 | 2010-08-03 | Lockheed Martin Corporation | Method and apparatus for optical gain fiber having segments of differing core sizes | 
| NL1033635C2 (nl) * | 2007-04-03 | 2008-10-06 | Stichting Nlisis | Werkwijze en inrichting voor het maken van een glas-glas verbinding tussen glazen capillaire buizen evenals een werkwijze voor het ongedaan maken daarvan en een (gas)chromatograaf. | 
| US7924500B1 (en) | 2007-07-21 | 2011-04-12 | Lockheed Martin Corporation | Micro-structured fiber profiles for mitigation of bend-loss and/or mode distortion in LMA fiber amplifiers, including dual-core embodiments | 
| US7876495B1 (en) | 2007-07-31 | 2011-01-25 | Lockheed Martin Corporation | Apparatus and method for compensating for and using mode-profile distortions caused by bending optical fibers | 
| US9873629B2 (en) * | 2011-06-30 | 2018-01-23 | Corning Incorporated | Methods for producing optical fiber preforms with low index trenches | 
| US9212082B2 (en) | 2012-12-26 | 2015-12-15 | Heraeus Quarzglas Gmbh & Co. Kg | System and method for fabricating optical fiber preform and optical fiber | 
| US20140186645A1 (en) * | 2013-01-02 | 2014-07-03 | Ofs Fitel, Llc | Manufacture of bend insensitive multimode optical fiber | 
| CN103086598B (zh) * | 2013-02-26 | 2015-06-03 | 富通集团有限公司 | 采用套管法制造光纤预制棒外包层的方法 | 
| CN104556672A (zh) * | 2015-02-03 | 2015-04-29 | 中国电子科技集团公司第四十六研究所 | 一种掺氟预制棒的制备方法 | 
| JP7024546B2 (ja) * | 2018-03-27 | 2022-02-24 | 住友電気工業株式会社 | マルチコア光ファイバの製造方法 | 
| KR102636792B1 (ko) * | 2023-07-05 | 2024-02-15 | 비씨엔씨 주식회사 | 배기기능 개선을 통해 증착물의 표면결함을 방지할수 있는 합성쿼츠 제조설비 | 
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB1434977A (en) * | 1972-10-13 | 1976-05-12 | Sumitomo Electroc Ind Ltd | Method of manufacturing an optical waveguide | 
| GB1562032A (en) * | 1977-03-24 | 1980-03-05 | Standard Telephones Cables Ltd | Optical fibre manufacture | 
| JPS553365A (en) * | 1978-06-23 | 1980-01-11 | Nippon Telegr & Teleph Corp <Ntt> | Production of base material for optical fiber | 
| JPS5852935B2 (ja) * | 1978-11-20 | 1983-11-26 | 三菱マテリアル株式会社 | 光伝送用素材の製造方法 | 
| JPS5924092B2 (ja) * | 1978-12-29 | 1984-06-07 | 三菱マテリアル株式会社 | 光フアイバ母材の製造法 | 
| FR2446672A1 (fr) * | 1979-01-19 | 1980-08-14 | Marteau D Autry Eric | Pipette a deplacement positif | 
| JPS55162441A (en) * | 1979-06-01 | 1980-12-17 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of optical fiber base material | 
| JPS565340A (en) * | 1979-06-27 | 1981-01-20 | Fujitsu Ltd | Manufacture of optical transmission glass fiber | 
| JPS5641848A (en) * | 1979-09-12 | 1981-04-18 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of optical fiber base material | 
| JPS603019B2 (ja) * | 1979-12-06 | 1985-01-25 | 三菱電線工業株式会社 | 光ファイバ母材の製法 | 
| US4298364A (en) * | 1980-03-17 | 1981-11-03 | Corning Glass Works | Method of making optical fibers having improved core roundness | 
| DE3031160A1 (de) * | 1980-08-18 | 1982-04-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum reinigen von glasoberflaechen | 
| DE3031147A1 (de) * | 1980-08-18 | 1982-03-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von glas mit einem vorbestimmten brechzahlprofil und alkalifreies glas aus einem oxis eines grundstoffes, das mit einem oder mehreren weiteren stoffen dotiert ist | 
| GB2084988B (en) * | 1980-10-02 | 1984-06-06 | Post Office | Methods of etching materials containing silicon | 
| DE3203349A1 (de) * | 1981-11-28 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem OH -Ionengehalt | 
| DE3230199A1 (de) * | 1982-08-13 | 1984-02-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung einer glasfaser mit einem radialen brechzahlprofil | 
| DE3315156A1 (de) * | 1983-04-27 | 1984-10-31 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung von lichtwellenleitern | 
- 
        1984
        - 1984-11-13 JP JP59237669A patent/JPS61117126A/ja active Granted
 
- 
        1985
        - 1985-11-04 US US06/794,847 patent/US4668263A/en not_active Expired - Lifetime
- 1985-11-07 AU AU49433/85A patent/AU578983B2/en not_active Expired
- 1985-11-12 EP EP85114363A patent/EP0182250B1/en not_active Expired
- 1985-11-12 DE DE8585114363T patent/DE3584073D1/de not_active Expired - Lifetime
- 1985-11-12 CA CA000495004A patent/CA1272604A/en not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| US4668263A (en) | 1987-05-26 | 
| EP0182250B1 (en) | 1991-09-11 | 
| AU4943385A (en) | 1986-05-22 | 
| DE3584073D1 (de) | 1991-10-17 | 
| EP0182250A1 (en) | 1986-05-28 | 
| CA1272604A (en) | 1990-08-14 | 
| AU578983B2 (en) | 1988-11-10 | 
| JPS61117126A (ja) | 1986-06-04 | 
Similar Documents
| Publication | Publication Date | Title | 
|---|---|---|
| JPH0134938B2 (OSRAM) | ||
| KR900002263B1 (ko) | 광파이버용 모재의 제조방법 | |
| US7524780B2 (en) | Low loss optical fiber and method for making same | |
| EP0915064B1 (en) | Method of making segmented core optical waveguide preforms | |
| US4846867A (en) | Method for producing glass preform for optical fiber | |
| US4880452A (en) | Method for producing glass preform for optical fiber containing fluorine in cladding | |
| JP2008247740A (ja) | 光ファイバ母材及びその製造方法 | |
| EP1270522B1 (en) | Method for fabricating optical fiber from preforms, using control of the partial pressure of oxygen during preform dehydration | |
| KR20050065398A (ko) | 불소 첨가 실리카 유리체의 제조방법, 그 방법을 포함하는광섬유 프리폼 및 광섬유의 제조방법, 및 광섬유 | |
| EP0164127A2 (en) | Method for producing glass preform for optical fibers | |
| JPH062599B2 (ja) | 光フアイバ用母材の製造方法 | |
| JPH0479981B2 (OSRAM) | ||
| JPS6259545A (ja) | 光フアイバ母材の製造方法 | |
| JPH0583492B2 (OSRAM) | ||
| JP4565221B2 (ja) | 光ファイバ用母材 | |
| KR910008934B1 (ko) | 광파이버용 유리모재의 제조방법 | |
| JPS63256545A (ja) | 光フアイバ用母材の製造方法 | |
| JPH0419173B2 (OSRAM) | ||
| JPS62100448A (ja) | 光伝送用ガラス素材の製造方法 | |
| JPS632902B2 (OSRAM) | 
Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| EXPY | Cancellation because of completion of term |