NL8103898A - Werkwijze voor het vervaardigen van een staafvormig basismateriaal voor een optische transmissiefiber en de met dit basismateriaal verkregen fiber. - Google Patents

Werkwijze voor het vervaardigen van een staafvormig basismateriaal voor een optische transmissiefiber en de met dit basismateriaal verkregen fiber. Download PDF

Info

Publication number
NL8103898A
NL8103898A NL8103898A NL8103898A NL8103898A NL 8103898 A NL8103898 A NL 8103898A NL 8103898 A NL8103898 A NL 8103898A NL 8103898 A NL8103898 A NL 8103898A NL 8103898 A NL8103898 A NL 8103898A
Authority
NL
Netherlands
Prior art keywords
glass
rod
optical transmission
refractive index
quartz
Prior art date
Application number
NL8103898A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of NL8103898A publication Critical patent/NL8103898A/nl

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
    • C03B37/014—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]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • 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]
    • 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
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/06—Concentric circular ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/08—Recessed or protruding ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
NL8103898A 1980-08-22 1981-08-21 Werkwijze voor het vervaardigen van een staafvormig basismateriaal voor een optische transmissiefiber en de met dit basismateriaal verkregen fiber. NL8103898A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11549380 1980-08-22
JP55115493A JPS591221B2 (ja) 1980-08-22 1980-08-22 光伝送繊維用棒状母材の製造方法

Publications (1)

Publication Number Publication Date
NL8103898A true NL8103898A (nl) 1982-03-16

Family

ID=14663871

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8103898A NL8103898A (nl) 1980-08-22 1981-08-21 Werkwijze voor het vervaardigen van een staafvormig basismateriaal voor een optische transmissiefiber en de met dit basismateriaal verkregen fiber.

Country Status (9)

Country Link
US (1) US4421539A (it)
JP (1) JPS591221B2 (it)
CA (1) CA1171744A (it)
DE (1) DE3132508A1 (it)
FR (1) FR2488872A1 (it)
GB (1) GB2084989B (it)
IT (1) IT1171475B (it)
NL (1) NL8103898A (it)
SE (1) SE453826B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60167757U (ja) * 1984-04-13 1985-11-07 三笠産業株式会社 容器の開閉装置
DE3521623A1 (de) * 1985-06-15 1986-12-18 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zum kontinuierlichen aufbau eines im innern traegerfreien, hohlzylindrischen sootkoerpers
US4863501A (en) * 1985-09-26 1989-09-05 Polaroid Corporation, Patent Department Method of employing plasma for finishing start rods
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
US4812153A (en) * 1987-01-12 1989-03-14 American Telephone And Telegraph Company Method of making a glass body having a graded refractive index profile
US4810276A (en) * 1987-08-05 1989-03-07 Corning Glass Works Forming optical fiber having abrupt index change
US4883522A (en) * 1987-08-19 1989-11-28 Integrated Solar Technologies Corp. Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry
JPH02233369A (ja) * 1990-01-26 1990-09-14 Japan Crown Cork Co Ltd 容器と蓋の組合せ
US5318611A (en) * 1992-03-13 1994-06-07 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides and waveguides made thereby
JPWO2019044805A1 (ja) * 2017-08-29 2020-10-01 住友電気工業株式会社 ガラス微粒子堆積体の製造方法、ガラス母材の製造方法及びガラス母材

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
DE2503598A1 (de) * 1975-01-29 1976-08-05 Siemens Ag Verfahren zur herstellung einer lichtleitfaser
JPS5436951A (en) * 1977-08-29 1979-03-19 Sumitomo Electric Ind Ltd Heat treatment method of glass rod
US4204850A (en) * 1977-08-26 1980-05-27 Corning Glass Works Carbon coating for a starting member used in producing optical waveguide
JPS54106248A (en) * 1978-02-08 1979-08-21 Nippon Telegr & Teleph Corp <Ntt> Production of optical fibers
JPS54112218A (en) * 1978-02-20 1979-09-03 Nippon Telegr & Teleph Corp <Ntt> Production of optical fiber
JPS54116429A (en) * 1978-03-03 1979-09-10 Hitachi Ltd Production of material for optical fiber
GB1574115A (en) * 1978-05-18 1980-09-03 Standard Telephones Cables Ltd Optical fibre manufacture
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

Also Published As

Publication number Publication date
GB2084989A (en) 1982-04-21
FR2488872B1 (it) 1983-11-10
GB2084989B (en) 1984-05-02
JPS591221B2 (ja) 1984-01-11
FR2488872A1 (fr) 1982-02-26
US4421539A (en) 1983-12-20
IT1171475B (it) 1987-06-10
IT8149133A0 (it) 1981-08-20
DE3132508A1 (de) 1982-09-23
DE3132508C2 (it) 1992-07-09
CA1171744A (en) 1984-07-31
SE8104957L (sv) 1982-02-23
SE453826B (sv) 1988-03-07
JPS5742549A (en) 1982-03-10

Similar Documents

Publication Publication Date Title
CA1123684A (en) Method of making dry optical waveguides
CA1151456A (en) High bandwidth optical waveguide
CA1145172A (en) Long wavelength, low-loss optical waveguide
US4225330A (en) Process for producing glass member
CA1259785A (en) Method for manufacturing a preform for drawing optical fibres
KR900002047B1 (ko) 광파이버용모재의 제조방법
EP0044712A2 (en) Improvements in and relating to glass fibres for optical communication
JPH0341416B2 (it)
NL8103898A (nl) Werkwijze voor het vervaardigen van een staafvormig basismateriaal voor een optische transmissiefiber en de met dit basismateriaal verkregen fiber.
JPH044986B2 (it)
KR100524158B1 (ko) 감소된 ｈ２ 민감도를 갖는 광섬유
US4087266A (en) Optical fibre manufacture
JPH0948629A (ja) 光ファイバおよびその製造方法
FI73405C (fi) Metod foer framstaellning av ett ytterst rent glasfoeremaol, t.ex. en foerformad produkt till en optisk fiber.
NL1024480C2 (nl) Werkwijze ter vervaardiging van een voorvorm voor optische vezels, alsmede werkwijze ter vervaardiging van optische vezels.
JPS6313944B2 (it)
EP0171537B1 (en) Method for producing glass preform for optical fiber
NL8003105A (nl) Optische vezels met monotrillingswijze.
GB1598760A (en) Optical fibre preforms and their manufacture
JPH09100132A (ja) 光ファイバ用プリフォーム
CA1171703A (en) Glass fibres for optical communications
JPS6227343A (ja) 単一モ−ド・光フアイバ用母材の製造方法
EP0185975A1 (en) Process for fabricating a glass preform
CA1151457A (en) High bandwidth optical waveguide
JP2502525B2 (ja) 光ファイバ用プリフォ―ムの製造用鋳型

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: FURUKAWA ELECTRIC CO., LTD. NIPPON TELEGRAPH AND

BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed