FR2360893B1 - - Google Patents
Info
- Publication number
- FR2360893B1 FR2360893B1 FR7710070A FR7710070A FR2360893B1 FR 2360893 B1 FR2360893 B1 FR 2360893B1 FR 7710070 A FR7710070 A FR 7710070A FR 7710070 A FR7710070 A FR 7710070A FR 2360893 B1 FR2360893 B1 FR 2360893B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
-
- 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
- C03B37/01807—Reactant delivery systems, e.g. 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]
- 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
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
- C03C13/048—Silica-free oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/60—Silica-free oxide glasses
- C03B2201/78—Silica-free oxide glasses containing germanium
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762614183 DE2614183C3 (de) | 1976-04-02 | 1976-04-02 | Lichtleitfaser mit Gradientenprofil des Brechungsindex, niedrigen Übertragungsverlusten, hoher Übertragungskapazität und großer Aperatur bei Verwnedung von GeO↓2↓ |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2360893A1 FR2360893A1 (fr) | 1978-03-03 |
FR2360893B1 true FR2360893B1 (it) | 1979-07-13 |
Family
ID=5974232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7710070A Granted FR2360893A1 (fr) | 1976-04-02 | 1977-04-04 | Guide d'ondes optique a gradient d'indice et faibles pertes a la transmission |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS52120845A (it) |
DE (1) | DE2614183C3 (it) |
FR (1) | FR2360893A1 (it) |
NL (1) | NL7703599A (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5738411Y2 (it) * | 1979-10-29 | 1982-08-24 | ||
DE3206145A1 (de) * | 1982-02-20 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und anordnung zur rueckgewinnung von ausgangsstoffen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA802128A (en) * | 1968-12-24 | N.V. Philips Gloeilampenfabrieken | Fiber-optical elements | |
US3791806A (en) * | 1969-12-30 | 1974-02-12 | Nippon Selfoc Co Ltd | Continuous production of light-conducting glass fibers with ion diffusion |
JPS4990147A (it) * | 1972-12-26 | 1974-08-28 | ||
US3884550A (en) * | 1973-01-04 | 1975-05-20 | Corning Glass Works | Germania containing optical waveguide |
JPS5013056A (it) * | 1973-06-04 | 1975-02-10 | ||
DE2463016C2 (de) * | 1973-08-21 | 1982-05-06 | International Standard Electric Corp., 10022 New York, N.Y. | Verfahren zur Herstellung eines Glasfaser-Lichtleiters |
JPS50110342A (it) * | 1974-02-07 | 1975-08-30 | ||
CA1050833A (en) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Optical fiber fabrication involving homogeneous reaction within a moving hot zone |
US4339173A (en) * | 1975-09-08 | 1982-07-13 | Corning Glass Works | Optical waveguide containing P2 O5 and GeO2 |
DE2546162B1 (de) * | 1975-10-15 | 1976-09-23 | Jenaer Glaswerk Schott & Gen | Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung |
-
1976
- 1976-04-02 DE DE19762614183 patent/DE2614183C3/de not_active Expired
-
1977
- 1977-04-01 NL NL7703599A patent/NL7703599A/xx not_active Application Discontinuation
- 1977-04-01 JP JP3747177A patent/JPS52120845A/ja active Pending
- 1977-04-04 FR FR7710070A patent/FR2360893A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2360893A1 (fr) | 1978-03-03 |
DE2614183A1 (de) | 1977-10-06 |
DE2614183B2 (de) | 1980-07-31 |
DE2614183C3 (de) | 1981-11-12 |
JPS52120845A (en) | 1977-10-11 |
NL7703599A (nl) | 1977-10-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |