BR8802810A - Atenuadores de fibra otica - Google Patents

Atenuadores de fibra otica

Info

Publication number: BR8802810A
Authority: BR; Brazil
Prior art keywords: fiber optic; optic attenuators; attenuators; fiber; optic
Prior art date: 1987-06-04

Application number

BR8802810A

Other languages

English (en)

Inventor

Eleanor Joan Tarbox

Original Assignee

Pirelli General Plc

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.)

1987-06-04

Filing date

1988-06-06

Publication date

1989-01-03

1988-06-06 Application filed by Pirelli General Plc filed Critical Pirelli General Plc

1989-01-03 Publication of BR8802810A publication Critical patent/BR8802810A/pt

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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
- G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Light Guides In General And Applications Therefor (AREA)
Mechanical Coupling Of Light Guides (AREA)
Optical Couplings Of Light Guides (AREA)

BR8802810A 1987-06-04 1988-06-06 Atenuadores de fibra otica BR8802810A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878713081A GB8713081D0 (en)	1987-06-04	1987-06-04	Optical fibre attenuators

Publications (1)

Publication Number	Publication Date
BR8802810A true BR8802810A (pt)	1989-01-03

Family

ID=10618361

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8802810A BR8802810A (pt)	1987-06-04	1988-06-06	Atenuadores de fibra otica

Country Status (11)

Country	Link
US (1)	US4881793A (pt)
EP (1)	EP0294037B1 (pt)
JP (1)	JP2584489B2 (pt)
AR (1)	AR244889A1 (pt)
AU (1)	AU596004B2 (pt)
BR (1)	BR8802810A (pt)
CA (1)	CA1298117C (pt)
DE (1)	DE3880013T2 (pt)
ES (1)	ES2040340T3 (pt)
GB (1)	GB8713081D0 (pt)
NZ (1)	NZ224878A (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3910503C2 (de) *	1989-04-01	1995-01-26	Philips Patentverwaltung	Optisches Kalibriernormal
US5087108A (en) *	1989-08-11	1992-02-11	Societa' Cavi Pirelli S.P.A.	Double-core active-fiber optical amplifier having a wide-band signal wavelength
US5039456A (en) *	1990-03-23	1991-08-13	Amp Incorporated	Method of molding an optical simulator
US5076688A (en) *	1990-03-23	1991-12-31	Amp Incorporated	Optical simulator with loop-back attenuator having metalized optical fiber
GB9026898D0 (en) *	1990-12-11	1991-01-30	British Telecomm	Optical communications system
US5231465A (en) *	1991-02-08	1993-07-27	Litton Systems, Inc.	High efficiency fiber absorber and method for attenuating pump light in a broadband fiber optic light source
US5067789A (en) *	1991-02-14	1991-11-26	Corning Incorporated	Fiber optic coupling filter and amplifier
US5319733A (en) *	1992-01-02	1994-06-07	Adc Telecommunications, Inc.	Variable fiber optical attenuator
EP0694173A1 (en) *	1992-01-02	1996-01-31	Adc Telecommunications, Inc.	Overlapping fusion attenuator
DE4313138C2 (de) *	1993-04-22	1998-04-23	Felten & Guilleaume Energie	Meßnormal für optische Dämpfungsmessungen
US5572618A (en) *	1994-07-13	1996-11-05	Lucent Technologies Inc.	Optical attenuator
US5633974A (en) *	1994-09-27	1997-05-27	The Whitaker Corporation	All fiber attenuator
US5651085A (en) *	1994-09-27	1997-07-22	Chia; Shin-Lo	All fiber attenuator
JP3317824B2 (ja) *	1995-08-25	2002-08-26	株式会社精工技研	光減衰ファイバ組立体の製造方法および光減衰ファイバ組立体
US5841926A (en) *	1996-01-04	1998-11-24	Nippon Telegraph And Telephone Corporation	Optical fibers for optical attenuation
US5677977A (en) *	1996-05-16	1997-10-14	Sentech Systems, Inc.	Optical attenuator
JPH10206640A (ja) *	1997-01-28	1998-08-07	Nec Corp	光固定減衰装置
US6115524A (en) *	1997-07-31	2000-09-05	Corning Incorporated	Optical waveguide attenuating device and method for producing the same
US6498888B1 (en)	1998-04-22	2002-12-24	Institut National D'optique	High-attenuation fiber with cladding mode suppression for all-fiber optical attenuator
US6205263B1 (en) *	1999-06-16	2001-03-20	Intelligent Optical Systems	Distributed optical fiber sensor with controlled response
US6603909B2 (en)	2000-11-21	2003-08-05	3M Innovative Properties Company	Laser pigtail fiber with inherent attenuation characteristic
KR20020064506A (ko) *	2001-02-02	2002-08-09	(주)옵토네스트	평탄한 감쇄이득을 갖는 광감쇄기용 광섬유
JP2003294953A (ja) *	2002-01-29	2003-10-15	Nippon Electric Glass Co Ltd	光デバイス及びその製造方法
JP3896481B2 (ja) *	2002-06-03	2007-03-22	独立行政法人産業技術総合研究所	光導波路素子の作製方法
JP2007156117A (ja) *	2005-12-06	2007-06-21	Nec Corp	光ファイバ損失調整方法、光ファイバ損失調整装置及び光伝送システム
US10162109B2 (en) *	2017-02-07	2018-12-25	Corning Incorporated	Multimode optical fibers for attenuators
CN110395901B (zh) *	2019-07-25	2020-04-24	武汉库克光电技术有限公司	一种高衰减光纤及其制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3806224A (en) *	1972-10-06	1974-04-23	Bell Telephone Labor Inc	Optical transmission line
US4217027A (en) *	1974-02-22	1980-08-12	Bell Telephone Laboratories, Incorporated	Optical fiber fabrication and resulting product
JPS542754A (en) *	1977-06-08	1979-01-10	Toshiba Corp	Stationary attenuator for optical fiber communication
US4334903A (en) *	1977-08-29	1982-06-15	Bell Telephone Laboratories, Incorporated	Optical fiber fabrication
DE2816846C3 (de) *	1978-04-18	1986-05-28	Siemens AG, 1000 Berlin und 8000 München	Dämpfungsglied für Lichtwellen
FR2476058A1 (fr) *	1980-02-15	1981-08-21	Quartz Silice Sa	Semi-produit pour la production de fibres optiques, procede de preparation du semi-produit et fibres optiques obtenues a partir du semi-produit
JPS574006A (en) *	1980-06-09	1982-01-09	Toshiba Corp	Attenuator for optical fiber and its production
DE3042587C1 (de) *	1980-11-12	1982-04-01	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Verfahren zum gezielten Erhoehen der Lichtwellenleiterdaempfung
US4616901A (en) *	1982-04-09	1986-10-14	At&T Bell Laboratories	Doped optical fiber
JPS5960414A (ja) *	1982-09-29	1984-04-06	Fujitsu Ltd	減衰機能を内蔵する受光器
US4718746A (en) *	1982-10-01	1988-01-12	The United States Of America As Represented By The Secretary Of The Army	Optical fiber graded index connector
DE3332631A1 (de) *	1983-09-09	1985-03-28	Siemens AG, 1000 Berlin und 8000 München	Verfahren zum erzielen einer variablen optischen daempfung und vorrichtung zur durchfuehrung des verfahrens
GB8328575D0 (en) *	1983-10-26	1983-11-30	Plessey Co Plc	Optical fibre attenuator
GB2158603B (en) *	1984-05-11	1987-07-29	Stc Plc	Single mode optical fibre attenuators
US4723828A (en) *	1984-11-09	1988-02-09	Northern Telecom Limited	Bandwidth enhancement of multimode optical transmisson lines
US4743086A (en) *	1984-12-03	1988-05-10	Polaroid Corporation	Coupling device for forming optically efficient end-to-end optical fiber connections
US4666247A (en) *	1985-02-08	1987-05-19	American Telephone And Telegraph Company, At&T Bell Laboratories	Multiconstituent optical fiber
US4804248A (en) *	1986-12-22	1989-02-14	Corning Glass Works	Data rate limiter for optical transmission system
US4826288A (en) *	1987-04-09	1989-05-02	Polaroid Corporation, Patent Department	Method for fabricating optical fibers having cores with high rare earth content
JPH05264950A (ja) *	1992-03-19	1993-10-15	Idemitsu Kosan Co Ltd	商品価格表示装置

1987
- 1987-06-04 GB GB878713081A patent/GB8713081D0/en active Pending
1988
- 1988-05-09 EP EP88304182A patent/EP0294037B1/en not_active Expired - Lifetime
- 1988-05-09 ES ES198888304182T patent/ES2040340T3/es not_active Expired - Lifetime
- 1988-05-09 DE DE88304182T patent/DE3880013T2/de not_active Expired - Fee Related
- 1988-05-24 AU AU16658/88A patent/AU596004B2/en not_active Ceased
- 1988-05-24 CA CA000567525A patent/CA1298117C/en not_active Expired - Lifetime
- 1988-05-24 US US07/198,145 patent/US4881793A/en not_active Expired - Lifetime
- 1988-06-02 AR AR88311001A patent/AR244889A1/es active
- 1988-06-02 JP JP63136602A patent/JP2584489B2/ja not_active Expired - Fee Related
- 1988-06-02 NZ NZ224878A patent/NZ224878A/xx unknown
- 1988-06-06 BR BR8802810A patent/BR8802810A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3880013D1 (de)	1993-05-13
DE3880013T2 (de)	1993-11-11
AR244889A1 (es)	1993-11-30
AU596004B2 (en)	1990-04-12
GB8713081D0 (en)	1987-07-08
AU1665888A (en)	1988-12-08
NZ224878A (en)	1990-03-27
CA1298117C (en)	1992-03-31
EP0294037A1 (en)	1988-12-07
ES2040340T3 (es)	1993-10-16
EP0294037B1 (en)	1993-04-07
US4881793A (en)	1989-11-21
JP2584489B2 (ja)	1997-02-26
JPS63313102A (ja)	1988-12-21

Publication	Publication Date	Title
BR8802810A (pt)	1989-01-03	Atenuadores de fibra otica
ES1005088Y (es)	1989-05-01	Conectador de fibra optica
DK363187A (da)	1988-02-09	Optisk fiber
KR900006802A (ko)	1990-05-08	광학 섬유 접속기
DE69006145D1 (de)	1994-03-03	Faseroptische Spleisseinheit.
KR880700944A (ko)	1988-04-13	광 섬유 접속기
DE58907498D1 (de)	1994-05-26	Lichtwellenleiter-Steckverbindung.
BR8400203A (pt)	1984-08-28	Conjunto de conectores de fibra otica
DE3751674D1 (de)	1996-02-22	Optischer Faserkoppler
DK37087A (da)	1987-11-20	Optisk fiberkabel
FI890148A0 (fi)	1989-01-12	Optinen kuiturakenne
DK96887D0 (da)	1987-02-25	Optisk fiberapparat
BR8802584A (pt)	1988-12-20	Cabo de fibras oticas
DE3854175D1 (de)	1995-08-24	Fiberoptischer Adapter.
BR8804729A (pt)	1989-04-18	Filtro de comprimento de onda de fibra otica
DE69006154D1 (de)	1994-03-03	Faseroptische Spleisseinheit.
FI97260C (fi)	1996-11-11	Optinen kuitu
DE69008948D1 (de)	1994-06-23	Faseroptische Kabelverbindung.
DK0507810T3 (da)	1995-11-13	Fiberoptisk omskifter
NO180788C (no)	1997-06-18	Optisk fiber
BR8803335A (pt)	1989-01-17	Cabo de fibras oticas
KR900006803A (ko)	1990-05-08	광섬유 접속기
DK49587D0 (da)	1987-01-30	Optisk fiberkabel
BR8903019A (pt)	1990-02-06	Amplificador de fibra otica
BR8600237A (pt)	1986-06-24	Cabos de fibra optica

Legal Events

Date	Code	Title	Description
1995-01-31	FG	Letter patent granted
2008-09-02	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 06/06/2003