NO912000D0 - Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringslinjer. - Google Patents

Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringslinjer.

Info

Publication number: NO912000D0
Authority: NO; Norway
Prior art keywords: unit; light signals; fiber optical; optical transfer; transfer lines
Prior art date: 1990-05-25

Application number

NO912000A

Other languages

English (en)

Other versions

NO912000L (no

Inventor

Giorgio Grasso

Aldo Righetti

Original Assignee

Pirelli Cavi Spa

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.)

1990-05-25

Filing date

1991-05-24

Publication date

1991-05-24

1991-05-24 Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa

1991-05-24 Publication of NO912000D0 publication Critical patent/NO912000D0/no

1991-11-26 Publication of NO912000L publication Critical patent/NO912000L/no

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Plasma & Fusion (AREA)
Optics & Photonics (AREA)
Lasers (AREA)
Optical Communication System (AREA)
Light Guides In General And Applications Therefor (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Optical Transform (AREA)

NO91912000A 1990-05-25 1991-05-24 Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger NO912000L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT02043490A IT1248821B (it)	1990-05-25	1990-05-25	Linea di telecomunicazione a fibre ottiche con amplificatori ottici a fibra attiva con ridotte riflessioni

Publications (2)

Publication Number	Publication Date
NO912000D0 true NO912000D0 (no)	1991-05-24
NO912000L NO912000L (no)	1991-11-26

Family

ID=11166891

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO91912000A NO912000L (no)	1990-05-25	1991-05-24	Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger

Country Status (20)

Country	Link
EP (1)	EP0458256A1 (no)
JP (1)	JPH07107041A (no)
KR (1)	KR100192229B1 (no)
CN (1)	CN1032029C (no)
AU (1)	AU644869B2 (no)
BR (1)	BR9102259A (no)
CZ (1)	CZ280817B6 (no)
FI (1)	FI912525A7 (no)
HU (1)	HU217495B (no)
IE (1)	IE911781A1 (no)
IT (1)	IT1248821B (no)
MY (1)	MY106157A (no)
NO (1)	NO912000L (no)
NZ (1)	NZ238157A (no)
PE (1)	PE26891A1 (no)
PL (1)	PL168016B1 (no)
PT (1)	PT97751B (no)
RU (1)	RU2105419C1 (no)
SK (1)	SK278796B6 (no)
TW (1)	TW218039B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4222208A1 (de) *	1992-07-07	1994-01-13	Sel Alcatel Ag	Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
EP0734105B1 (en) *	1995-03-20	2004-09-29	Fujitsu Limited	Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
DK1067718T3 (da) *	1999-07-08	2004-01-12	Cit Alcatel	Anvendelse af isolatorer til at overvinde begrænsningerne for Raman-forstærkning og stammende fra Rayleigh-spredning
RU2249838C2 (ru) *	2002-04-08	2005-04-10	Открытое акционерное общество Пермская научно-производственная приборостроительная компания	Способ изготовления устройства устранения обратноотраженного луча для волоконно-оптического гироскопа
CN110702239B (zh) *	2019-10-28	2020-12-18	电子科技大学	一种无限散射单光子探测光时域反射测量方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4546476A (en) *	1982-12-10	1985-10-08	The Board Of Trustees Of The Leland Stanford Junior University	Fiber optic amplifier
GB2220789B (en) *	1988-07-15	1992-08-26	Stc Plc	Low coherence optical source

1990
- 1990-05-25 IT IT02043490A patent/IT1248821B/it active IP Right Grant
1991
- 1991-05-10 MY MYPI91000791A patent/MY106157A/en unknown
- 1991-05-14 AU AU77038/91A patent/AU644869B2/en not_active Expired
- 1991-05-14 HU HU617/91A patent/HU217495B/hu not_active IP Right Cessation
- 1991-05-15 NZ NZ238157A patent/NZ238157A/xx not_active IP Right Cessation
- 1991-05-21 TW TW080103915A patent/TW218039B/zh active
- 1991-05-21 PE PE1991185944A patent/PE26891A1/es not_active Application Discontinuation
- 1991-05-21 EP EP91108162A patent/EP0458256A1/en not_active Ceased
- 1991-05-22 SK SK1525-91A patent/SK278796B6/sk unknown
- 1991-05-22 CZ CS911525A patent/CZ280817B6/cs not_active IP Right Cessation
- 1991-05-23 PL PL91290378A patent/PL168016B1/pl unknown
- 1991-05-23 PT PT97751A patent/PT97751B/pt not_active IP Right Cessation
- 1991-05-24 NO NO91912000A patent/NO912000L/no unknown
- 1991-05-24 CN CN91103424A patent/CN1032029C/zh not_active Expired - Fee Related
- 1991-05-24 FI FI912525A patent/FI912525A7/fi unknown
- 1991-05-24 BR BR919102259A patent/BR9102259A/pt not_active IP Right Cessation
- 1991-05-24 IE IE178191A patent/IE911781A1/en unknown
- 1991-05-24 RU SU4895509A patent/RU2105419C1/ru active
- 1991-05-25 KR KR1019910008543A patent/KR100192229B1/ko not_active Expired - Fee Related
- 1991-05-27 JP JP3121165A patent/JPH07107041A/ja active Pending

Also Published As

Publication number	Publication date
KR100192229B1 (ko)	1999-06-15
IT9020434A0 (no)	1990-05-25
PT97751B (pt)	1998-12-31
HU217495B (hu)	2000-02-28
BR9102259A (pt)	1992-01-14
PT97751A (pt)	1993-06-30
IT9020434A1 (it)	1991-11-25
PL290378A1 (en)	1992-01-13
PE26891A1 (es)	1991-09-09
FI912525L (fi)	1991-11-26
AU7703891A (en)	1991-11-28
NO912000L (no)	1991-11-26
NZ238157A (en)	1993-07-27
AU644869B2 (en)	1993-12-23
TW218039B (no)	1993-12-21
IT1248821B (it)	1995-01-30
HU911617D0 (en)	1991-11-28
RU2105419C1 (ru)	1998-02-20
CN1057721A (zh)	1992-01-08
CZ280817B6 (cs)	1996-04-17
KR910021006A (ko)	1991-12-20
PL168016B1 (pl)	1995-12-30
EP0458256A1 (en)	1991-11-27
MY106157A (en)	1995-03-31
JPH07107041A (ja)	1995-04-21
SK278796B6 (sk)	1998-03-04
FI912525A7 (fi)	1991-11-26
HUT60579A (en)	1992-09-28
FI912525A0 (fi)	1991-05-24
CN1032029C (zh)	1996-06-12
IE911781A1 (en)	1991-12-04
CS152591A3 (en)	1992-02-19

Publication	Publication Date	Title
DE69107723D1 (de)	1995-04-06	Optisches Übertragungssystem mit Faserverstärker.
FI912649A0 (fi)	1991-06-03	Avslutningssystem foer optiska fibrer.
DE69331053D1 (de)	2001-12-06	Faseroptisches speicherkupplungsystem.
NO912505D0 (no)	1991-06-26	Sprednings-utlignet optisk-fiber forbindelse.
DE69108349D1 (de)	1995-04-27	Optische Verstärker.
DE69123354D1 (de)	1997-01-09	Optisches übertragungssystem
DE59102205D1 (de)	1994-08-25	Mehrstufiger faseroptischer Verstärker.
DE69202404D1 (de)	1995-06-14	Faseroptischer Verstärker mit umschaltbarer Verstärkung.
DE69111656D1 (de)	1995-09-07	Integrierter optischer Koppler.
DE69117728D1 (de)	1996-04-11	Optischer verstärker
DE69104573D1 (de)	1994-11-17	Optischer Verstärker.
DE69231919D1 (de)	2001-08-09	Optisches Relaissystem mit Faserverstärkern
DE69116396D1 (de)	1996-02-29	Optischer Koppler
NO911589L (no)	1991-11-11	Angivelsessystem for optisk fiber.
NO912194D0 (no)	1991-06-07	Holder for optisk fiber.
DE69121768D1 (de)	1996-10-10	Faseroptischer Verstärker
DK137691D0 (da)	1991-07-19	Optisk fiberforstaerker
DK220690D0 (da)	1990-09-14	Optisk fiberforstaerker
HU910401D0 (en)	1991-08-28	Amplifier on optical fibre
NO911091D0 (no)	1991-03-19	Utsendelsessystem for optisk fiber.
FI912087L (fi)	1991-11-03	Optisk foerstaerkare.
FI923014A7 (fi)	1993-01-03	Vahvistavalla optisella kuidulla varustettu vahvistin
EP0474426A3 (en)	1992-06-17	Optical star coupler utilizing fiber amplifier technology
DE69102440D1 (de)	1994-07-21	Integrierter optischer Signalverstärker.
DE68914035D1 (de)	1994-04-28	Optischer Faserverstärker.