IT1057427B - Procedimento e composozioni per la produzione di una guida onda ottica e di altri dispositivi per la guida della luce - Google Patents

Procedimento e composozioni per la produzione di una guida onda ottica e di altri dispositivi per la guida della luce

Info

Publication number: IT1057427B
Authority: IT; Italy
Prior art keywords: guide; compositions; procedure; production; devices
Prior art date: 1975-03-18

Application number

IT48616/76A

Other languages

English (en)

Original Assignee

Litovitz T

Macedo Pedro

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.)

1975-03-18

Filing date

1976-03-17

Publication date

1982-03-10

1975-11-26 Priority claimed from US05/635,728 external-priority patent/US4110093A/en

1976-03-17 Application filed by Litovitz T, Macedo Pedro filed Critical Litovitz T

1982-03-10 Application granted granted Critical

1982-03-10 Publication of IT1057427B publication Critical patent/IT1057427B/it

Links

239000000203 mixture Substances 0.000 title 1
230000003287 optical effect Effects 0.000 title 1

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]
- C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase
- 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
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/005—Multi-cellular glass ; Porous or hollow glass or glass particles obtained by leaching after a phase separation step
- 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
- 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
- C03C13/005—Fibre or filament compositions obtained by leaching of a soluble phase and consolidation
- 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
- 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
- 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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0095—Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous glass
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- 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
- 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
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
- 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
- C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
- 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
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
- 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
- C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
- 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
- C03B2201/54—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with beryllium, magnesium or alkaline earth metals
- 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
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Life Sciences & Earth Sciences (AREA)
General Chemical & Material Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Dispersion Chemistry (AREA)
General Life Sciences & Earth Sciences (AREA)
Manufacturing & Machinery (AREA)
Surface Treatment Of Glass (AREA)
Glass Melting And Manufacturing (AREA)
Glass Compositions (AREA)
Manufacture, Treatment Of Glass Fibers (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

IT48616/76A 1975-03-18 1976-03-17 Procedimento e composozioni per la produzione di una guida onda ottica e di altri dispositivi per la guida della luce IT1057427B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US55951275A	1975-03-18	1975-03-18
US05/635,728 US4110093A (en)	1974-04-22	1975-11-26	Method for producing an impregnated waveguide

Publications (1)

Publication Number	Publication Date
IT1057427B true IT1057427B (it)	1982-03-10

Family

ID=27072087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48616/76A IT1057427B (it)	1975-03-18	1976-03-17	Procedimento e composozioni per la produzione di una guida onda ottica e di altri dispositivi per la guida della luce

Country Status (14)

Country	Link
JP (1)	JPS6021928B2 (it)
AU (1)	AU499877B2 (it)
BR (1)	BR7601603A (it)
CA (1)	CA1063352A (it)
CH (1)	CH613049A5 (it)
DE (1)	DE2611496A1 (it)
DK (1)	DK118976A (it)
FR (1)	FR2304579A1 (it)
GB (1)	GB1527436A (it)
IE (1)	IE44144B1 (it)
IT (1)	IT1057427B (it)
LU (1)	LU74597A1 (it)
NL (1)	NL7602765A (it)
SE (1)	SE7603367L (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2002342B (en) *	1977-07-27	1982-06-30	Sumitomo Electric Industries	Process for producing a glass member
GB2033372B (en) *	1978-09-28	1983-01-19	Sumitomo Electric Industries	Method of producing an optical waveguide
US4302231A (en) *	1979-01-29	1981-11-24	Pedro Manoel Buarque De Macedo	Method of producing a glass article having a graded refractive index profile of a parabolic nature
JPS5829260B2 (ja) *	1979-08-02	1983-06-21	日本電信電話株式会社	光通信用光学ガラス
ZA81161B (en)	1980-01-28	1982-08-25	Pilkington Brothers Ltd	Optical glass fibres and methods of forming such fibres
JPS56117209A (en) *	1980-02-22	1981-09-14	Sumitomo Electric Ind Ltd	Manufacture of optical circuit
JPS56164026A (en) *	1980-05-16	1981-12-16	Nippon Telegr & Teleph Corp <Ntt>	Production of basic material for glass for laser
JPS58199747A (ja) *	1982-05-14	1983-11-21	Hoya Corp	屈折率勾配を有するガラス体の製造法
JPS59119739U (ja) *	1983-01-28	1984-08-13	富士電機株式会社	電力用変圧器の差動保護装置
JPS59152238A (ja) *	1983-02-18	1984-08-30	Hoya Corp	屈折率勾配を有するガラス体の製造法
JPS6016730U (ja) *	1983-07-12	1985-02-04	日立電線株式会社	耐放射線性光ファイバ
JPS6088915A (ja) *	1983-10-22	1985-05-18	Hoya Corp	光軸方向に屈折率分布を有するレンズの製造法
JPS6177629A (ja) *	1984-09-21	1986-04-21	Hoya Corp	屈折率分布を有する球レンズの製造法
JPS61271437A (ja) *	1985-05-28	1986-12-01	Sumitomo Metal Ind Ltd	搬送原料のサンプリング方法
DE3741393A1 (de) *	1987-12-07	1989-06-15	Siemens Ag	Verfahren zum herstellen von aus hochreinem sio(pfeil abwaerts)2(pfeil abwaerts) bestehenden formkoerpern
JP2545313Y2 (ja) *	1991-11-08	1997-08-25	日新電機株式会社	計器用変圧器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2106744A (en) *	1934-03-19	1938-02-01	Corning Glass Works	Treated borosilicate glass
US2522524A (en) *	1946-06-24	1950-09-19	Corning Glass Works	Method of making sealing glasses
CA1020752A (en) *	1973-04-27	1977-11-15	Pedro B. Macedo	Method of producing optical wave guide fibers
US3859073A (en) *	1973-10-19	1975-01-07	Corning Glass Works	Method of producing glass by flame hydrolysis

1976
- 1976-03-10 CA CA000247545A patent/CA1063352A/en not_active Expired
- 1976-03-15 AU AU11988/76A patent/AU499877B2/en not_active Expired
- 1976-03-16 FR FR7607444A patent/FR2304579A1/fr active Granted
- 1976-03-17 NL NL7602765A patent/NL7602765A/xx active Search and Examination
- 1976-03-17 CH CH332676A patent/CH613049A5/xx not_active IP Right Cessation
- 1976-03-17 IT IT48616/76A patent/IT1057427B/it active
- 1976-03-17 BR BR7601603A patent/BR7601603A/pt unknown
- 1976-03-17 SE SE7603367A patent/SE7603367L/ unknown
- 1976-03-18 GB GB10935/76A patent/GB1527436A/en not_active Expired
- 1976-03-18 LU LU74597A patent/LU74597A1/xx unknown
- 1976-03-18 DE DE19762611496 patent/DE2611496A1/de not_active Ceased
- 1976-03-18 DK DK118976A patent/DK118976A/da not_active Application Discontinuation
- 1976-03-18 JP JP51029758A patent/JPS6021928B2/ja not_active Expired
- 1976-03-18 IE IE571/76A patent/IE44144B1/en unknown

Also Published As

Publication number	Publication date
FR2304579A1 (fr)	1976-10-15
JPS51126207A (en)	1976-11-04
CH613049A5 (en)	1979-08-31
BR7601603A (pt)	1976-09-14
DE2611496A1 (de)	1976-10-14
GB1527436A (en)	1978-10-04
AU1198876A (en)	1977-09-22
CA1063352A (en)	1979-10-02
IE44144B1 (en)	1981-08-26
NL7602765A (nl)	1976-09-21
LU74597A1 (it)	1976-09-01
DK118976A (da)	1976-09-19
AU499877B2 (en)	1979-05-03
SE7603367L (sv)	1976-09-19
JPS6021928B2 (ja)	1985-05-30
FR2304579B1 (it)	1982-12-03
IE44144L (en)	1976-09-18

Publication	Publication Date	Title
IT1114448B (it)	1986-01-27	Accoppiamento laterale della luce per una fibra ottica
IT1057427B (it)	1982-03-10	Procedimento e composozioni per la produzione di una guida onda ottica e di altri dispositivi per la guida della luce
IT1053923B (it)	1981-10-10	Cavo ottico per la trasmissione di energia luminosa
IT1053282B (it)	1981-08-31	Cavo ottico per la trasmissione della luce e procedimento per la sua fabbricazione
IT1118344B (it)	1986-02-24	Attenutore ottico fisso per radiazioni luminose guidate da una fibra ottica
IT1192737B (it)	1988-05-04	Procedimento per la fabbricazione di una fibra ottica adatta per la trasmissione di un modo singolo di luce
IT1040302B (it)	1979-12-20	Connettore per guida d onda ottica
IT1071356B (it)	1985-04-02	Fibra ottica per la gzida di energia ad onde elettromagnetiche
IT1067416B (it)	1985-03-16	Conettore di fibra ottica singola
IT1158171B (it)	1987-02-18	Cavo ottico per la trasmissione di energia luminosa
IT1004023B (it)	1976-07-10	Guida d onda ottiche dielettriche e tecnica per la loro fabbricazio ne
IT1134736B (it)	1986-08-13	Sorgente di luce incapsulata con guida di fibra accoppiata
SE7613633L (sv)	1977-06-10	Optisk anordning for inmatning av stralningsenergi i en optisk fiber
IT1036145B (it)	1979-10-30	Guida d onda ottica e procedimento per la sua fabbricazion
IT1067079B (it)	1985-03-12	Metodo ed apparecchiatura per la giunzione di fibre ottiche
IT1101770B (it)	1985-10-07	Connettore per monofibra ottica
IT7848834A0 (it)	1978-04-11	Cavo ottico per la trasmissione del la luce e procedimento per la sua fabbricazione
IT1107856B (it)	1985-12-02	Procedimento per la fabbricazione di una struttura fibrosa assorbente particolarmente per pannolini e struttura ottenuta con il procdimento
IT1094629B (it)	1985-08-02	Ecometro per la localizzazione di difetti che influenzano i conduttori di luce
IT1089778B (it)	1985-06-18	Cavo ottico di telecomunicazioni e procedimento per la sua fabbricazione
IT7867556A0 (it)	1978-03-14	Procedimento e dispositivo per la ispezione ottica di una superficie
IT1059640B (it)	1982-06-21	Procedimento per la fabbricazione di sezioni di trasformazione di fibre ottiche
IT1051877B (it)	1981-05-20	Dispositivo semiconduttore per la rivelazione della lunghezza d onda di radiazioni luminose
IT1079900B (it)	1985-05-13	Guida d'onda per la trasmissione di segnali ottici ed elettrici
IT1065189B (it)	1985-02-25	Divisore di potenza per guida d'onda ottica