IT1087821B - Guida d'onda a fibra ottica. - Google Patents

Guida d'onda a fibra ottica.

Info

Publication number
IT1087821B
IT1087821B IT28462/77A IT2846277A IT1087821B IT 1087821 B IT1087821 B IT 1087821B IT 28462/77 A IT28462/77 A IT 28462/77A IT 2846277 A IT2846277 A IT 2846277A IT 1087821 B IT1087821 B IT 1087821B
Authority
IT
Italy
Prior art keywords
fiber optic
wave guide
optic wave
guide
fiber
Prior art date
Application number
IT28462/77A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1087821B publication Critical patent/IT1087821B/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
    • 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 - +

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
IT28462/77A 1976-10-12 1977-10-11 Guida d'onda a fibra ottica. IT1087821B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/731,786 US4111525A (en) 1976-10-12 1976-10-12 Silica based optical fiber waveguide using phosphorus pentoxide and germanium dioxide

Publications (1)

Publication Number Publication Date
IT1087821B true IT1087821B (it) 1985-06-04

Family

ID=24940946

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28462/77A IT1087821B (it) 1976-10-12 1977-10-11 Guida d'onda a fibra ottica.

Country Status (9)

Country Link
US (1) US4111525A (it)
JP (1) JPS5348756A (it)
BE (1) BE859578A (it)
CA (1) CA1090637A (it)
DE (1) DE2745715C2 (it)
FR (1) FR2368051A1 (it)
GB (1) GB1587675A (it)
IT (1) IT1087821B (it)
NL (1) NL186038C (it)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222631A (en) * 1978-03-03 1980-09-16 Corning Glass Works Multicomponent optical waveguide having index gradient
JPS5565909A (en) * 1978-11-13 1980-05-17 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
US4339174A (en) * 1980-02-01 1982-07-13 Corning Glass Works High bandwidth optical waveguide
US4482204A (en) * 1980-02-25 1984-11-13 At&T Bell Laboratories Ultraviolet absorbers in optical fiber coatings
US4413882A (en) * 1980-07-03 1983-11-08 Corning Glass Works Low viscosity core glass optical fiber
JPS58125624A (ja) * 1982-01-20 1983-07-26 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ用母材の製造方法
US4626068A (en) * 1982-07-29 1986-12-02 The United States Of America As Represented By The Secretary Of The Air Force Photoactive coating for hardening optical fibers
US4911712A (en) * 1988-04-14 1990-03-27 Heraeus Lasersonics, Inc. Medical laser probe
US5030217A (en) * 1988-04-14 1991-07-09 Heraeus Lasersonics, Inc. Medical laser probe and method of delivering CO2 radiation
DE3842805A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE3842804A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE4001781C1 (it) * 1990-01-23 1991-02-21 Schott Glaswerke, 6500 Mainz, De
EP0849231B1 (en) * 1996-12-20 2004-05-06 Corning Incorporated Athermalized codoped optical waveguide device
US6807350B2 (en) * 2001-07-17 2004-10-19 Verrillon, Inc. Optical fiber with a radially varying index of refraction and related methods
AU2002322549A1 (en) 2001-07-20 2003-03-03 Nufern Optical fiber grating having high temperature insensitivity
US7160746B2 (en) 2001-07-27 2007-01-09 Lightwave Microsystems Corporation GeBPSG top clad for a planar lightwave circuit
US6904214B2 (en) * 2002-05-14 2005-06-07 Nufern Method of providing an optical fiber having a minimum temperature sensitivity at a selected temperature
NL1024015C2 (nl) * 2003-07-28 2005-02-01 Draka Fibre Technology Bv Multimode optische vezel voorzien van een brekingsindexprofiel, optisch communicatiesysteem onder toepassing daarvan en werkwijze ter vervaardiging van een dergelijke vezel.
US7991021B2 (en) * 2003-12-05 2011-08-02 Northrop Grumman Systems Corporation Multimode raman fiber device with mode discrimination
US7421174B2 (en) * 2006-08-28 2008-09-02 Furakawa Electric North America; Inc. Multi-wavelength, multimode optical fibers
FR2922657B1 (fr) 2007-10-23 2010-02-12 Draka Comteq France Fibre multimode.
FR2932932B1 (fr) * 2008-06-23 2010-08-13 Draka Comteq France Sa Systeme optique multiplexe en longueur d'ondes avec fibres optiques multimodes
FR2933779B1 (fr) 2008-07-08 2010-08-27 Draka Comteq France Fibres optiques multimodes
FR2940839B1 (fr) * 2009-01-08 2012-09-14 Draka Comteq France Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre
FR2946436B1 (fr) * 2009-06-05 2011-12-09 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
US9014525B2 (en) 2009-09-09 2015-04-21 Draka Comteq, B.V. Trench-assisted multimode optical fiber
FR2953605B1 (fr) * 2009-12-03 2011-12-16 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953606B1 (fr) * 2009-12-03 2012-04-27 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953029B1 (fr) * 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2957153B1 (fr) * 2010-03-02 2012-08-10 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953030B1 (fr) * 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2949870B1 (fr) * 2009-09-09 2011-12-16 Draka Compteq France Fibre optique multimode presentant des pertes en courbure ameliorees
FR2950156B1 (fr) * 2009-09-17 2011-11-18 Draka Comteq France Fibre optique multimode
FR2966256B1 (fr) 2010-10-18 2012-11-16 Draka Comteq France Fibre optique multimode insensible aux pertes par
FR2971061B1 (fr) 2011-01-31 2013-02-08 Draka Comteq France Fibre optique a large bande passante et a faibles pertes par courbure
ES2494640T3 (es) 2011-01-31 2014-09-15 Draka Comteq B.V. Fibra multimodo
EP2503368A1 (en) 2011-03-24 2012-09-26 Draka Comteq B.V. Multimode optical fiber with improved bend resistance
EP2506044A1 (en) 2011-03-29 2012-10-03 Draka Comteq B.V. Multimode optical fiber
EP2518546B1 (en) 2011-04-27 2018-06-20 Draka Comteq B.V. High-bandwidth, radiation-resistant multimode optical fiber
EP2541292B1 (en) 2011-07-01 2014-10-01 Draka Comteq BV Multimode optical fibre
US8965163B2 (en) * 2011-11-04 2015-02-24 Corning Incorporated Ge-P co-doped multimode optical fiber
US8588568B2 (en) 2011-11-04 2013-11-19 Corning Incorporated Bend loss resistant multi-mode fiber
US9594212B2 (en) 2015-03-12 2017-03-14 Corning Incorporated Multimode optical fibers
JP2018205357A (ja) * 2017-05-30 2018-12-27 株式会社フジクラ 光ファイバ、光ファイバの製造方法、および光ファイバ母材
US11022750B2 (en) 2018-09-13 2021-06-01 Corning Incorporated Wideband multimode co-doped optical fiber employing GeO2 and Al2O3 dopants

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2463097C2 (de) * 1973-08-21 1984-05-24 International Standard Electric Corp., New York, N.Y. Verfahren zur Herstellung von Glasfaser-Lichtleitern
CA1050833A (en) * 1974-02-22 1979-03-20 John B. Macchesney Optical fiber fabrication involving homogeneous reaction within a moving hot zone
US4360250A (en) * 1974-05-31 1982-11-23 National Research Development Corp. Optical waveguides
GB1496788A (en) * 1974-09-05 1978-01-05 Standard Telephones Cables Ltd Optical fibre manufacture
CA1034818A (en) * 1975-04-16 1978-07-18 Northern Electric Company Limited Manufacture of optical fibres
US4033667A (en) * 1975-09-12 1977-07-05 Bell Telephone Laboratories, Incorporated Multimode optical fiber
US4025156A (en) * 1975-09-12 1977-05-24 Bell Telephone Laboratories, Incorporated Graded-index fiber for multimode optical communication
US4057320A (en) * 1976-07-26 1977-11-08 Bell Telephone Laboratories, Incorporated Optical fiber waveguide having minimum modal dispersion

Also Published As

Publication number Publication date
DE2745715A1 (de) 1978-04-13
NL7711148A (nl) 1978-04-14
BE859578A (fr) 1978-02-01
DE2745715C2 (de) 1986-12-11
FR2368051B1 (it) 1982-10-29
CA1090637A (en) 1980-12-02
FR2368051A1 (fr) 1978-05-12
GB1587675A (en) 1981-04-08
JPS613403B2 (it) 1986-02-01
JPS5348756A (en) 1978-05-02
NL186038B (nl) 1990-04-02
US4111525A (en) 1978-09-05
NL186038C (nl) 1990-09-03

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