BR9506216A - Pré-forma fibra óptica e processo de produção de fibra óptica - Google Patents
Pré-forma fibra óptica e processo de produção de fibra ópticaInfo
- Publication number
- BR9506216A BR9506216A BR9506216A BR9506216A BR9506216A BR 9506216 A BR9506216 A BR 9506216A BR 9506216 A BR9506216 A BR 9506216A BR 9506216 A BR9506216 A BR 9506216A BR 9506216 A BR9506216 A BR 9506216A
- Authority
- BR
- Brazil
- Prior art keywords
- fiber optic
- production process
- preform
- optic preform
- fiber
- Prior art date
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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02276—Dispersion shifted fibres, i.e. zero dispersion at 1550 nm
-
- 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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
-
- 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]
- C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
-
- 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
- C03B37/075—Manufacture of non-optical fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. undulated fibres
-
- 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
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
-
- 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
- G02B6/03633—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 - -
-
- 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
- C03B2203/24—Single mode [SM or monomode]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8641994 | 1994-04-25 | ||
PCT/JP1995/000814 WO1995029132A1 (fr) | 1994-04-25 | 1995-04-25 | Procede de production de fibre optique et matiere premiere pour cette production |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9506216A true BR9506216A (pt) | 1997-09-30 |
Family
ID=13886371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9506216A BR9506216A (pt) | 1994-04-25 | 1995-04-25 | Pré-forma fibra óptica e processo de produção de fibra óptica |
Country Status (5)
Country | Link |
---|---|
US (1) | US5666454A (pt) |
KR (1) | KR100203566B1 (pt) |
CN (1) | CN1048231C (pt) |
BR (1) | BR9506216A (pt) |
WO (1) | WO1995029132A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004307280A (ja) * | 2003-04-08 | 2004-11-04 | Shin Etsu Chem Co Ltd | Oh基による吸収を減少した光ファイバ用ガラス母材及びその製造方法 |
CN103974117B (zh) * | 2013-02-06 | 2017-12-05 | 中兴通讯股份有限公司 | 一种共享录制方法、装置、服务器和机顶盒 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217027A (en) * | 1974-02-22 | 1980-08-12 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication and resulting product |
US4877304A (en) * | 1987-09-09 | 1989-10-31 | Corning Incorporated | Few-mode/single-mode fiber |
DE3828814A1 (de) * | 1988-08-25 | 1990-03-29 | Standard Elektrik Lorenz Ag | Verfahren zum aendern des fleckdurchmessers von monomode-stufenfasern und danach hergestellte monomodefaser-koppeleinheit |
JP2951429B2 (ja) * | 1991-04-30 | 1999-09-20 | 古河電気工業株式会社 | 分散シフトシングルモード光ファイバ母材の製造方法 |
US5361319A (en) * | 1992-02-04 | 1994-11-01 | Corning Incorporated | Dispersion compensating devices and systems |
US5329607A (en) * | 1992-02-28 | 1994-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Pure-silica core dual-mode optical fiber |
JP3049697B2 (ja) * | 1992-07-29 | 2000-06-05 | 住友電気工業株式会社 | モードフィールド径変換ファイバ |
DE69320119T2 (de) * | 1992-08-19 | 1999-01-21 | Nippon Telegraph And Telephone Corp., Tokio/Tokyo | Faser mit veränderbarem Modenfelddurchmesser |
JP3491644B2 (ja) * | 1994-08-26 | 2004-01-26 | 住友電気工業株式会社 | 光ファイバの製造方法 |
-
1995
- 1995-04-25 US US08/569,163 patent/US5666454A/en not_active Expired - Lifetime
- 1995-04-25 BR BR9506216A patent/BR9506216A/pt not_active IP Right Cessation
- 1995-04-25 WO PCT/JP1995/000814 patent/WO1995029132A1/ja active Application Filing
- 1995-04-25 CN CN95190428A patent/CN1048231C/zh not_active Expired - Lifetime
- 1995-04-25 KR KR1019950705901A patent/KR100203566B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5666454A (en) | 1997-09-09 |
KR100203566B1 (ko) | 1999-06-15 |
CN1048231C (zh) | 2000-01-12 |
KR960703391A (ko) | 1996-08-17 |
WO1995029132A1 (fr) | 1995-11-02 |
CN1128528A (zh) | 1996-08-07 |
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Legal Events
Date | Code | Title | Description |
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FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
HHFI | Decision: rectification | ||
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 9A,10A,11A,12A,13A,14A,15A E 16A ANUIDADES |
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B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B15K | Others concerning applications: alteration of classification |
Ipc: G02B 6/02 (2006.01), C03B 37/014 (2006.0 |
|
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |