IT1166558B - Metodo per la produzione di fibre ottiche per telecomunicazioni - Google Patents

Metodo per la produzione di fibre ottiche per telecomunicazioni

Info

Publication number
IT1166558B
IT1166558B IT19040/79A IT1904079A IT1166558B IT 1166558 B IT1166558 B IT 1166558B IT 19040/79 A IT19040/79 A IT 19040/79A IT 1904079 A IT1904079 A IT 1904079A IT 1166558 B IT1166558 B IT 1166558B
Authority
IT
Italy
Prior art keywords
telecommunications
production
optical fibers
fibers
optical
Prior art date
Application number
IT19040/79A
Other languages
English (en)
Other versions
IT7919040A0 (it
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7919040A0 publication Critical patent/IT7919040A0/it
Application granted granted Critical
Publication of IT1166558B publication Critical patent/IT1166558B/it

Links

Classifications

    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • 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
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
    • 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
    • G02B6/03627—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 - +
IT19040/79A 1978-01-06 1979-01-03 Metodo per la produzione di fibre ottiche per telecomunicazioni IT1166558B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7800157A NL7800157A (nl) 1978-01-06 1978-01-06 Werkwijze voor de vervaardiging van optische fibers voor telecommunicatie.

Publications (2)

Publication Number Publication Date
IT7919040A0 IT7919040A0 (it) 1979-01-03
IT1166558B true IT1166558B (it) 1987-05-05

Family

ID=19830096

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19040/79A IT1166558B (it) 1978-01-06 1979-01-03 Metodo per la produzione di fibre ottiche per telecomunicazioni

Country Status (11)

Country Link
US (1) US4242117A (it)
JP (1) JPS54101924A (it)
AU (1) AU529474B2 (it)
BE (1) BE873309A (it)
CA (1) CA1114613A (it)
DE (1) DE2855550C2 (it)
FR (1) FR2415083A1 (it)
GB (1) GB2011881B (it)
IT (1) IT1166558B (it)
NL (1) NL7800157A (it)
SE (1) SE440075B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452508A (en) * 1977-06-28 1984-06-05 British Telecommunications Graded index optical fibres
GB8400535D0 (en) * 1984-01-10 1984-02-15 Standard Telephones Cables Ltd Optical fibre manufacture
US9359251B2 (en) 2012-02-29 2016-06-07 Corning Incorporated Ion exchanged glasses via non-error function compressive stress profiles
US11079309B2 (en) 2013-07-26 2021-08-03 Corning Incorporated Strengthened glass articles having improved survivability
US10118858B2 (en) 2014-02-24 2018-11-06 Corning Incorporated Strengthened glass with deep depth of compression
TW202311197A (zh) 2014-06-19 2023-03-16 美商康寧公司 無易碎應力分布曲線的玻璃
KR20190143469A (ko) 2014-10-08 2019-12-30 코닝 인코포레이티드 금속 산화물 농도 구배를 포함한 유리 및 유리 세라믹
US10150698B2 (en) 2014-10-31 2018-12-11 Corning Incorporated Strengthened glass with ultra deep depth of compression
DK3215471T3 (da) 2014-11-04 2022-01-17 Corning Inc Dybe, ubrydelige belastningsprofiler og fremgangsmåde til fremstilling
JP6536036B2 (ja) * 2015-01-14 2019-07-03 住友電気工業株式会社 光ファイバ
US10579106B2 (en) 2015-07-21 2020-03-03 Corning Incorporated Glass articles exhibiting improved fracture performance
US11613103B2 (en) 2015-07-21 2023-03-28 Corning Incorporated Glass articles exhibiting improved fracture performance
TWI773480B (zh) 2015-12-11 2022-08-01 美商康寧公司 具有金屬氧化物濃度梯度之可熔融成形的玻璃基物件
KR20200091500A (ko) 2016-04-08 2020-07-30 코닝 인코포레이티드 두 영역을 포함하는 응력 프로파일을 포함하는 유리-계 물품, 및 제조 방법
US10017417B2 (en) 2016-04-08 2018-07-10 Corning Incorporated Glass-based articles including a metal oxide concentration gradient

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941474A (en) * 1968-03-15 1976-03-02 Nippon Selfoc Kabushiki Kaisha Light-conducting glass structures
NL167400C (nl) * 1968-03-15 1981-12-16 Nippon Selfoc Co Ltd Werkwijzen voor het vervaardigen van een glazen lichtgeleider.
GB1274955A (en) * 1968-09-28 1972-05-17 Nippon Selfoc Co Ltd Light-conducting glass fibres and production thereof
US3858964A (en) * 1969-01-22 1975-01-07 Philips Corp Light-absorbing silicate glass for fibre-optical elements
US3791806A (en) * 1969-12-30 1974-02-12 Nippon Selfoc Co Ltd Continuous production of light-conducting glass fibers with ion diffusion
FR2317243A1 (fr) * 1975-07-11 1977-02-04 Quartz & Silice Procede de fabrication de fibres optiques
NL7603832A (nl) * 1976-04-12 1977-10-14 Philips Nv Glassamenstellingen.

Also Published As

Publication number Publication date
AU4299278A (en) 1979-07-12
AU529474B2 (en) 1983-06-09
CA1114613A (en) 1981-12-22
DE2855550A1 (de) 1979-07-12
BE873309A (fr) 1979-07-04
SE440075B (sv) 1985-07-15
DE2855550C2 (de) 1984-06-14
JPS54101924A (en) 1979-08-10
GB2011881A (en) 1979-07-18
IT7919040A0 (it) 1979-01-03
GB2011881B (en) 1982-04-28
NL7800157A (nl) 1979-07-10
FR2415083B1 (it) 1983-03-11
FR2415083A1 (fr) 1979-08-17
US4242117A (en) 1980-12-30
SE7900045L (sv) 1979-07-07

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