IT1288836B1 - Fibre ottiche monomodo attive e procedimento per la loro realizzazione - Google Patents
Fibre ottiche monomodo attive e procedimento per la loro realizzazioneInfo
- Publication number
- IT1288836B1 IT1288836B1 IT96TO000927A ITTO960927A IT1288836B1 IT 1288836 B1 IT1288836 B1 IT 1288836B1 IT 96TO000927 A IT96TO000927 A IT 96TO000927A IT TO960927 A ITTO960927 A IT TO960927A IT 1288836 B1 IT1288836 B1 IT 1288836B1
- Authority
- IT
- Italy
- Prior art keywords
- realization
- procedure
- optical fibers
- mode optical
- active single
- Prior art date
Links
Classifications
-
- 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
- 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
-
- 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
- C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
- C03B37/01268—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by casting
-
- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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
- C03C13/041—Non-oxide 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/041—Non-oxide glass compositions
- C03C13/043—Chalcogenide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/80—Non-oxide glasses or glass-type compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/80—Non-oxide glasses or glass-type compositions
- C03B2201/82—Fluoride glasses, e.g. ZBLAN glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/80—Non-oxide glasses or glass-type compositions
- C03B2201/86—Chalcogenide glasses, i.e. S, Se or Te glasses
-
- 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Lasers (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Surgery Devices (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96TO000927A IT1288836B1 (it) | 1996-11-19 | 1996-11-19 | Fibre ottiche monomodo attive e procedimento per la loro realizzazione |
US08/962,371 US5991486A (en) | 1996-11-19 | 1997-10-31 | Active single mode optical fibres and method for their fabrication |
JP32060197A JP3215810B2 (ja) | 1996-11-19 | 1997-11-07 | 単一モード能動光ファイバーとその製造方法 |
CA002221060A CA2221060C (en) | 1996-11-19 | 1997-11-14 | Active single mode optical fibres and method for their fabrication |
DE0842907T DE842907T1 (de) | 1996-11-19 | 1997-11-18 | Aktive optische Einmoden-Fasern und Verfahren zu deren Herstellung |
EP97120151A EP0842907B1 (en) | 1996-11-19 | 1997-11-18 | Active single mode optical fibres and method for their fabrication |
DE69715566T DE69715566T2 (de) | 1996-11-19 | 1997-11-18 | Aktive optische Einmoden-Fasern und Verfahren zu deren Herstellung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96TO000927A IT1288836B1 (it) | 1996-11-19 | 1996-11-19 | Fibre ottiche monomodo attive e procedimento per la loro realizzazione |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO960927A0 ITTO960927A0 (it) | 1996-11-19 |
ITTO960927A1 ITTO960927A1 (it) | 1998-05-19 |
IT1288836B1 true IT1288836B1 (it) | 1998-09-24 |
Family
ID=11415032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96TO000927A IT1288836B1 (it) | 1996-11-19 | 1996-11-19 | Fibre ottiche monomodo attive e procedimento per la loro realizzazione |
Country Status (6)
Country | Link |
---|---|
US (1) | US5991486A (it) |
EP (1) | EP0842907B1 (it) |
JP (1) | JP3215810B2 (it) |
CA (1) | CA2221060C (it) |
DE (2) | DE842907T1 (it) |
IT (1) | IT1288836B1 (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100485749B1 (ko) * | 1997-11-04 | 2005-09-30 | 삼성전자주식회사 | 광증폭특성을가지는GeGaS계유리조성물및상기유리조성물을이용하는통신용광증폭장치 |
US6546757B1 (en) | 1998-07-28 | 2003-04-15 | Brown University Research Foundation | Liquid spray pyrolysis method for the fabrication of optical fiber preforms, with reactant mixing |
WO2000010932A1 (en) * | 1998-08-25 | 2000-03-02 | Corning Incorporated | Methods and apparatus for producing optical fiber |
JP4235288B2 (ja) | 1998-09-09 | 2009-03-11 | キヤノン株式会社 | リヤーフォーカス式のズームレンズ |
FR2792733B1 (fr) * | 1999-04-26 | 2002-01-11 | Cit Alcatel | Preforme comprenant un revetement barriere contre la diffusion d'hydrogene dans la fibre optique fabriquee a partir de cette preforme et procede de preparation d'une telle preforme |
EP1199286A1 (en) * | 2000-10-18 | 2002-04-24 | The University Of Southampton | Optical fibres and preforms incorporating volatile constituents and process for manufacturing the fibre |
JP2004533390A (ja) | 2001-04-12 | 2004-11-04 | オムニガイド コミュニケーションズ インコーポレイテッド | 高屈折率コントラストの光導波路および用途 |
WO2004049042A2 (en) * | 2002-11-22 | 2004-06-10 | Omniguide Communications Inc. | Dielectric waveguide and method of making the same |
EP1513144A2 (en) * | 2003-08-26 | 2005-03-09 | Matsushita Electric Industrial Co., Ltd. | Method for producing a master disk of a recording medium, method for producing a stamper, method for producing a recording medium, master disk of a recording medium, stamper of a recording medium, and recording medium |
US20090193851A1 (en) * | 2005-05-12 | 2009-08-06 | Nitin Kumar Goel | Core suction technique for the fabrication of optical fiber preforms |
US11324553B2 (en) * | 2005-11-10 | 2022-05-10 | Biolitec Unternehmensbeteilgungs II AG | Side fire optical fiber for high power applications |
JP4851996B2 (ja) * | 2007-06-14 | 2012-01-11 | 日立電線株式会社 | 光ファイバ及びその製造方法 |
JP5129520B2 (ja) | 2007-06-29 | 2013-01-30 | 株式会社エルモ社 | ズームレンズ |
CN102557460A (zh) * | 2011-05-18 | 2012-07-11 | 泰安佳成机电科技有限公司 | 环保高耐温的玻璃纤维 |
US9533915B2 (en) * | 2013-10-10 | 2017-01-03 | Michael David Johnson | Method and apparatus for processing optical fiber under microgravity conditions |
US20220234937A1 (en) * | 2021-01-22 | 2022-07-28 | Macleon, LLC | System and method of refining optical fiber |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3901996A (en) * | 1972-10-11 | 1975-08-26 | Nat Inst Res | Process for preparing a chalcogenide glass having silicon containing layer and product |
US4372767A (en) * | 1981-10-19 | 1983-02-08 | Eotec Corporation | Method of manufacturing optical fibers |
JPS63236729A (ja) * | 1987-03-24 | 1988-10-03 | Hisankabutsu Glass Kenkyu Kaihatsu Kk | コア−クラツド構造を有するカルコゲナイドガラスフアイバ−の製造方法 |
US4908053A (en) * | 1987-08-19 | 1990-03-13 | Non Oxide Glass Research And Development Co., Ltd. | Process for producing chalcogenide glass fiber |
US4938562A (en) * | 1989-07-14 | 1990-07-03 | Spectran Corporation | Oxide coatings for fluoride glass |
JP2835385B2 (ja) * | 1990-05-25 | 1998-12-14 | 日本電信電話株式会社 | フッ化物光ファイバの製造方法 |
US5573571A (en) * | 1994-12-01 | 1996-11-12 | Lucent Technologies Inc. | Method for making optical fiber preforms and optical fibers fabricated therefrom |
-
1996
- 1996-11-19 IT IT96TO000927A patent/IT1288836B1/it active IP Right Grant
-
1997
- 1997-10-31 US US08/962,371 patent/US5991486A/en not_active Expired - Fee Related
- 1997-11-07 JP JP32060197A patent/JP3215810B2/ja not_active Expired - Fee Related
- 1997-11-14 CA CA002221060A patent/CA2221060C/en not_active Expired - Fee Related
- 1997-11-18 DE DE0842907T patent/DE842907T1/de active Pending
- 1997-11-18 DE DE69715566T patent/DE69715566T2/de not_active Expired - Fee Related
- 1997-11-18 EP EP97120151A patent/EP0842907B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0842907B1 (en) | 2002-09-18 |
CA2221060A1 (en) | 1998-05-19 |
EP0842907A1 (en) | 1998-05-20 |
US5991486A (en) | 1999-11-23 |
DE69715566D1 (de) | 2002-10-24 |
JP3215810B2 (ja) | 2001-10-09 |
DE842907T1 (de) | 1998-11-12 |
CA2221060C (en) | 2003-03-25 |
ITTO960927A1 (it) | 1998-05-19 |
DE69715566T2 (de) | 2003-06-05 |
ITTO960927A0 (it) | 1996-11-19 |
JPH10182188A (ja) | 1998-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |