IT1067082B - Fibra ottica avente una bassa dispersione di modo - Google Patents

Fibra ottica avente una bassa dispersione di modo

Info

Publication number: IT1067082B
Authority: IT; Italy
Prior art keywords: dispersion; optical fiber; fashion; low fashion; low
Prior art date: 1975-09-22

Application number

IT25066/76A

Other languages

English (en)

Original Assignee

Northern Telecom Ltd

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.)

1975-09-22

Filing date

1976-07-06

Publication date

1985-03-12

1976-07-06 Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd

1985-03-12 Application granted granted Critical

1985-03-12 Publication of IT1067082B publication Critical patent/IT1067082B/it

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
- G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Lasers (AREA)
Glass Compositions (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Optical Couplings Of Light Guides (AREA)

IT25066/76A 1975-09-22 1976-07-06 Fibra ottica avente una bassa dispersione di modo IT1067082B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA236,020A CA1038669A (en)	1975-09-22	1975-09-22	Optical fibre having low mode dispersion

Publications (1)

Publication Number	Publication Date
IT1067082B true IT1067082B (it)	1985-03-12

Family

ID=4104119

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT25066/76A IT1067082B (it)	1975-09-22	1976-07-06	Fibra ottica avente una bassa dispersione di modo

Country Status (9)

Country	Link
JP (1)	JPS5240144A (it)
CA (1)	CA1038669A (it)
DE (1)	DE2630208A1 (it)
ES (1)	ES451740A1 (it)
FR (1)	FR2325059A1 (it)
GB (1)	GB1569132A (it)
IT (1)	IT1067082B (it)
NL (1)	NL7608107A (it)
SE (1)	SE7609777L (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU504423B2 (en) *	1975-11-14	1979-10-11	International Standard Electric Corporation	Optical fibre
JPS58143082A (ja) *	1982-02-18	1983-08-25	市毛　武治	スイング式窓用開閉装置
JPS59100083U (ja) *	1982-12-24	1984-07-06	小寺　博行	窓の開閉装置
DE3329512A1 (de) *	1983-08-16	1985-02-28	Philips Patentverwaltung Gmbh, 2000 Hamburg	Stablinse aus mehreren glasschichten
US4852968A (en) *	1986-08-08	1989-08-01	American Telephone And Telegraph Company, At&T Bell Laboratories	Optical fiber comprising a refractive index trench
FR2761485B1 (fr) *	1997-03-28	1999-06-11	Instruments Sa	Multiplexeur-demultiplexeur en longueur d'onde a fibres optiques
DE102011009242B4 (de) *	2010-11-04	2020-09-03	J-Plasma Gmbh	Lichtwellenleiter und Halbzeug zur Herstellung eines Lichtwellenleiters mit biegeoptimierten Eigenschaften

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS569682B2 (it) *	1974-02-13	1981-03-03

1975
- 1975-09-22 CA CA236,020A patent/CA1038669A/en not_active Expired
1976
- 1976-06-17 FR FR7618469A patent/FR2325059A1/fr not_active Withdrawn
- 1976-07-05 DE DE19762630208 patent/DE2630208A1/de active Pending
- 1976-07-06 IT IT25066/76A patent/IT1067082B/it active
- 1976-07-22 NL NL7608107A patent/NL7608107A/xx unknown
- 1976-07-22 JP JP51086654A patent/JPS5240144A/ja active Pending
- 1976-08-25 GB GB35404/76A patent/GB1569132A/en not_active Expired
- 1976-09-03 SE SE7609777A patent/SE7609777L/xx unknown
- 1976-09-22 ES ES451740A patent/ES451740A1/es not_active Expired

Also Published As

Publication number	Publication date
NL7608107A (nl)	1977-03-24
JPS5240144A (en)	1977-03-28
GB1569132A (en)	1980-06-11
DE2630208A1 (de)	1977-03-31
CA1038669A (en)	1978-09-19
SE7609777L (sv)	1977-03-23
ES451740A1 (es)	1977-08-16
FR2325059A1 (fr)	1977-04-15

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IT1067082B (it)	1985-03-12	Fibra ottica avente una bassa dispersione di modo