IT1064377B - Guida d'onda a fibra ottica con profilo di indice effettivo di rifrazione - Google Patents
Guida d'onda a fibra ottica con profilo di indice effettivo di rifrazioneInfo
- Publication number
- IT1064377B IT1064377B IT2927276A IT2927276A IT1064377B IT 1064377 B IT1064377 B IT 1064377B IT 2927276 A IT2927276 A IT 2927276A IT 2927276 A IT2927276 A IT 2927276A IT 1064377 B IT1064377 B IT 1064377B
- Authority
- IT
- Italy
- Prior art keywords
- refractive index
- fiber optic
- wave guide
- effective refractive
- index profile
- 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
- G02B6/036—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
- G02B6/03688—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 5 or more layers
-
- 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
- C03B37/014—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
- C03B37/02—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
-
- 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
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Optical Integrated Circuits (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63204675A | 1975-11-14 | 1975-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1064377B true IT1064377B (it) | 1985-02-18 |
Family
ID=24533854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2927276A IT1064377B (it) | 1975-11-14 | 1976-11-12 | Guida d'onda a fibra ottica con profilo di indice effettivo di rifrazione |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5262034A (de) |
AU (1) | AU504423B2 (de) |
CA (1) | CA1087889A (de) |
CH (1) | CH607065A5 (de) |
DE (1) | DE2651208A1 (de) |
ES (2) | ES453275A1 (de) |
FR (1) | FR2331799A1 (de) |
GB (1) | GB1496324A (de) |
IT (1) | IT1064377B (de) |
NL (1) | NL7612577A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1493660A (en) * | 1975-12-16 | 1977-11-30 | Standard Telephones Cables Ltd | Optical waveguide power dividers |
CA1248386A (en) * | 1982-03-11 | 1989-01-10 | Leonard G. Cohen | Quadruple-clad optical fiberguide |
US5522003A (en) | 1993-03-02 | 1996-05-28 | Ward; Robert M. | Glass preform with deep radial gradient layer and method of manufacturing same |
DE102011109845B4 (de) * | 2010-11-04 | 2020-10-29 | J-Plasma Gmbh | Anordnung zur Übertragung von elektromagnetischer Strahlung, vorzugsweise zur Beaufschlagung biologischer Strukturen mit Lichtenergie und Verfahren zur Herstellung eines Lichtwellenleiters für eine Anordnung |
JP5496370B2 (ja) * | 2011-01-24 | 2014-05-21 | ミヤチテクノス株式会社 | 光ファイバ、及びそれを備えたレーザ加工装置 |
CN115494579A (zh) * | 2021-06-17 | 2022-12-20 | 南开大学 | 一种涡旋光宽带色散补偿光纤 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253896A (en) * | 1960-02-02 | 1966-05-31 | American Optical Corp | Method of making glass clad energyconducting fibers |
US3157726A (en) * | 1960-03-01 | 1964-11-17 | American Optical Corp | Optical energy transmitting devices and method of making same |
US3823995A (en) * | 1972-03-30 | 1974-07-16 | Corning Glass Works | Method of forming light focusing fiber waveguide |
GB1427327A (en) * | 1972-06-08 | 1976-03-10 | Standard Telephones Cables Ltd | Glass optical fibres |
GB1456371A (en) * | 1972-11-25 | 1976-11-24 | Sumitomo Electric Industries | Optical transmission fibre |
JPS569682B2 (de) * | 1974-02-13 | 1981-03-03 | ||
CA1050833A (en) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Optical fiber fabrication involving homogeneous reaction within a moving hot zone |
CA1038669A (en) * | 1975-09-22 | 1978-09-19 | Rama Iyengar | Optical fibre having low mode dispersion |
-
1976
- 1976-11-08 AU AU19394/76A patent/AU504423B2/en not_active Expired
- 1976-11-10 FR FR7633888A patent/FR2331799A1/fr not_active Withdrawn
- 1976-11-10 DE DE19762651208 patent/DE2651208A1/de not_active Withdrawn
- 1976-11-11 GB GB4697376A patent/GB1496324A/en not_active Expired
- 1976-11-12 JP JP51135432A patent/JPS5262034A/ja active Pending
- 1976-11-12 NL NL7612577A patent/NL7612577A/xx not_active Application Discontinuation
- 1976-11-12 CA CA265,425A patent/CA1087889A/en not_active Expired
- 1976-11-12 IT IT2927276A patent/IT1064377B/it active
- 1976-11-12 ES ES453275A patent/ES453275A1/es not_active Expired
- 1976-11-12 CH CH1427176A patent/CH607065A5/xx not_active IP Right Cessation
-
1977
- 1977-11-24 ES ES464432A patent/ES464432A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES464432A1 (es) | 1978-11-16 |
GB1496324A (en) | 1977-12-30 |
FR2331799A1 (fr) | 1977-06-10 |
DE2651208A1 (de) | 1977-05-18 |
NL7612577A (nl) | 1977-05-17 |
CA1087889A (en) | 1980-10-21 |
ES453275A1 (es) | 1978-02-16 |
AU1939476A (en) | 1978-05-18 |
JPS5262034A (en) | 1977-05-23 |
CH607065A5 (de) | 1978-11-30 |
AU504423B2 (en) | 1979-10-11 |
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