FI910649A - Optisk foerstaerkare med en enkelmodal kurvad aktivfiber. - Google Patents

Optisk foerstaerkare med en enkelmodal kurvad aktivfiber. Download PDF

Info

Publication number
FI910649A
FI910649A FI910649A FI910649A FI910649A FI 910649 A FI910649 A FI 910649A FI 910649 A FI910649 A FI 910649A FI 910649 A FI910649 A FI 910649A FI 910649 A FI910649 A FI 910649A
Authority
FI
Finland
Prior art keywords
kurvad
foerstaerkare
enkelmodal
aktivfiber
optisk
Prior art date
Application number
FI910649A
Other languages
English (en)
Other versions
FI104294B1 (fi
FI104294B (fi
FI910649A0 (fi
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11156892&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI910649(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of FI910649A0 publication Critical patent/FI910649A0/fi
Publication of FI910649A publication Critical patent/FI910649A/fi
Application granted granted Critical
Publication of FI104294B1 publication Critical patent/FI104294B1/fi
Publication of FI104294B publication Critical patent/FI104294B/fi

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
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • 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
    • 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/0804—Transverse or lateral modes
    • H01S3/08045—Single-mode emission
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094065—Single-mode pumping
FI910649A 1990-02-12 1991-02-11 Optinen vahvistin, jossa on yksimoodinen kaarrettu aktiivikuitu FI104294B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT01934190A IT1237980B (it) 1990-02-12 1990-02-12 Amplificatore ottico a fibra attiva monomodale incurvata
IT1934190 1990-02-12

Publications (4)

Publication Number Publication Date
FI910649A0 FI910649A0 (fi) 1991-02-11
FI910649A true FI910649A (fi) 1991-08-13
FI104294B1 FI104294B1 (fi) 1999-12-15
FI104294B FI104294B (fi) 1999-12-15

Family

ID=11156892

Family Applications (1)

Application Number Title Priority Date Filing Date
FI910649A FI104294B (fi) 1990-02-12 1991-02-11 Optinen vahvistin, jossa on yksimoodinen kaarrettu aktiivikuitu

Country Status (26)

Country Link
US (1) US5161050A (fi)
EP (1) EP0442553B1 (fi)
JP (1) JP3239124B2 (fi)
KR (1) KR0178393B1 (fi)
CN (1) CN1024299C (fi)
AR (1) AR247795A1 (fi)
AT (1) ATE119690T1 (fi)
AU (1) AU642698B2 (fi)
BR (1) BR9100633A (fi)
CA (1) CA2034797C (fi)
CZ (1) CZ280356B6 (fi)
DE (1) DE69107872T2 (fi)
DK (1) DK0442553T3 (fi)
ES (1) ES2072523T3 (fi)
FI (1) FI104294B (fi)
HK (1) HK2596A (fi)
HU (1) HU216235B (fi)
IE (1) IE67357B1 (fi)
IT (1) IT1237980B (fi)
MY (1) MY105414A (fi)
NO (1) NO302326B1 (fi)
PE (1) PE17791A1 (fi)
PL (1) PL164373B1 (fi)
PT (1) PT96736B (fi)
RU (1) RU2086062C1 (fi)
SK (1) SK278814B6 (fi)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659755B1 (fr) * 1990-03-16 1992-05-29 Alcatel Nv Amplificateur optique a fibre dopee a l'erbium.
US5499135A (en) * 1990-12-24 1996-03-12 Alcatel N.V. Optical amplifier
AU648365B2 (en) * 1990-12-24 1994-04-21 Alcatel N.V. Optical amplifier
FR2675649B1 (fr) * 1991-04-22 1993-07-16 Alcatel Nv Systeme de telecommunications a amplificateurs optiques a fibre pour la transmission de signaux a longues distances.
ES2079094T3 (es) * 1991-05-18 1996-01-01 Alcatel Nv Sistema optico de transmision de informacion con control optico de un amplificador optico o con conversion de la longitud de onda de la señal optica.
JP2648643B2 (ja) * 1991-06-03 1997-09-03 日本電信電話株式会社 光増幅器
GB2266620B (en) * 1992-04-27 1996-08-28 Univ Southampton Optical power limited amplifier
BE1007071A3 (nl) * 1993-04-28 1995-03-07 Philips Electronics Nv Optische versterker.
GB9625231D0 (en) 1996-12-04 1997-01-22 Univ Southampton Optical amplifiers & lasers
GB2335074B (en) * 1996-12-04 2002-02-13 Univ Southampton Optical Amplifier
US5818630A (en) * 1997-06-25 1998-10-06 Imra America, Inc. Single-mode amplifiers and compressors based on multi-mode fibers
US6122413A (en) * 1998-10-20 2000-09-19 Optigain, Inc. Fiber optic transmitter
US6275512B1 (en) 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
US6236497B1 (en) * 1998-11-30 2001-05-22 Lucent Technologies Inc. Direct free space pump signal mixing for EDFA
US6192179B1 (en) 1999-01-25 2001-02-20 Corning Incorporated Distributed resonant ring fiber filter
EP1175714B1 (en) * 1999-04-30 2009-01-07 SPI Lasers UK Limited Method of producing an amplifying optical fibre device
US6243196B1 (en) 1999-05-20 2001-06-05 Sumitomo Electric Industries, Ltd. Optical fiber for optical amplifier and fiber optic amplifier
JP3369158B2 (ja) * 1999-05-28 2003-01-20 住友電気工業株式会社 光増幅用光ファイバ及び光ファイバ増幅器
US6256138B1 (en) * 2000-01-07 2001-07-03 Lucent Technologies Inc Fiber filter to improve return loss at signal band of a fiber amplifier for pump laser modules
US6496301B1 (en) 2000-03-10 2002-12-17 The United States Of America As Represented By The Secretary Of The Navy Helical fiber amplifier
US6550279B1 (en) 2000-09-01 2003-04-22 Corning Incorporated Process for drawing optical fiber from a multiple crucible apparatus with a thermal gradient
JP2003114350A (ja) * 2001-07-31 2003-04-18 Furukawa Electric Co Ltd:The 光ファイバ、光ファイバ部品および光伝送方法
US6588235B2 (en) 2001-08-30 2003-07-08 Corning Incorporated Method of centering a fiber core in a multiple-crucible method
EP1611650A1 (en) * 2003-04-01 2006-01-04 Corning Incorporated Reduced clad diameter rare earth doped fiber coils and optical amplifiers utiliying such coils
US6978078B2 (en) 2004-01-08 2005-12-20 Corning Incorporated Reduced clad diameter rare earth doped fiber coils and optical amplifiers utilizing such coils
US7000894B2 (en) * 2003-04-25 2006-02-21 Pur Water Purification Products, Inc. Fluidic cartridges and end pieces thereof
DE102004035795A1 (de) * 2004-07-23 2006-02-16 Siemens Ag Optischer Verstärker mit Pumpmodul
EP1650839A1 (en) * 2004-10-20 2006-04-26 Wavelight Laser Technologie AG Fiber laser arrangement
US7760423B2 (en) 2005-07-20 2010-07-20 Sumitomo Electric Industries, Ltd. Optical amplifier
JP5476576B2 (ja) * 2007-03-12 2014-04-23 独立行政法人情報通信研究機構 バーストモードエルビウム添加ファイバ増幅器
JP2012237714A (ja) * 2011-05-13 2012-12-06 Sony Corp 非線形ラマン分光装置、顕微分光装置及び顕微分光イメージング装置
CN106772550B (zh) * 2017-02-10 2019-02-22 东莞理工学院 光纤弯曲消模装置、方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964131A (en) * 1973-07-26 1976-06-22 Borden, Inc. Method and apparatus for eviscerating clams
US4556279A (en) * 1981-11-09 1985-12-03 Board Of Trustees Of The Leland Stanford Junior University Passive fiber optic multiplexer
US4784450A (en) * 1984-10-15 1988-11-15 Hughes Aircraft Company Apparatus for generating and amplifying new wavelengths of optical radiation
FR2573547B1 (fr) * 1984-11-16 1987-04-10 Thomson Csf Source optique monomode et dispositif amplificateur optique accordables dans le proche infra-rouge et l'application aux dispositifs amplificateurs selectifs et de regeneration
EP0189196A3 (en) * 1985-01-25 1987-10-14 Polaroid Corporation Raman amplified filter tap system
US4815804A (en) * 1985-02-08 1989-03-28 The Board Of Trustees Of The Leland Stanford Junior University In-line fiber optic memory and method of using same
US4712075A (en) * 1985-11-27 1987-12-08 Polaroid Corporation Optical amplifier
US4741586A (en) * 1987-02-20 1988-05-03 The Board Of Trustees Of The Leland Stanford Junior University Dynamic coupler using two-mode optical waveguides
US4915468A (en) * 1987-02-20 1990-04-10 The Board Of Trustees Of The Leland Stanford Junior University Apparatus using two-mode optical waveguide with non-circular core
GB8724736D0 (en) * 1987-10-22 1987-11-25 British Telecomm Optical fibre
US4815079A (en) * 1987-12-17 1989-03-21 Polaroid Corporation Optical fiber lasers and amplifiers
US4941726A (en) * 1988-08-31 1990-07-17 The Unites States Of America As Represented By The Secretary Of The Navy Tapered fiber amplifier

Also Published As

Publication number Publication date
PT96736A (pt) 1992-12-31
CA2034797C (en) 1997-12-30
NO910530L (no) 1991-08-13
CN1054137A (zh) 1991-08-28
CS9100300A2 (en) 1991-09-15
NO302326B1 (no) 1998-02-16
US5161050A (en) 1992-11-03
DK0442553T3 (da) 1995-07-24
EP0442553A1 (en) 1991-08-21
IE910440A1 (en) 1991-08-14
IT1237980B (it) 1993-06-19
NO910530D0 (no) 1991-02-11
FI104294B1 (fi) 1999-12-15
RU2086062C1 (ru) 1997-07-27
JP3239124B2 (ja) 2001-12-17
FI104294B (fi) 1999-12-15
IT9019341A0 (it) 1990-02-12
ES2072523T3 (es) 1995-07-16
PE17791A1 (es) 1991-06-28
FI910649A0 (fi) 1991-02-11
CA2034797A1 (en) 1991-08-13
AU642698B2 (en) 1993-10-28
BR9100633A (pt) 1991-10-29
HU910420D0 (en) 1991-08-28
HU216235B (hu) 1999-05-28
SK278814B6 (sk) 1998-03-04
KR910015871A (ko) 1991-09-30
ATE119690T1 (de) 1995-03-15
MY105414A (en) 1994-09-30
HUT60398A (en) 1992-08-28
DE69107872T2 (de) 1995-09-07
KR0178393B1 (ko) 1999-05-15
CN1024299C (zh) 1994-04-20
AU7081891A (en) 1991-08-15
CZ280356B6 (cs) 1995-12-13
IT9019341A1 (it) 1991-08-13
HK2596A (en) 1996-01-12
IE67357B1 (en) 1996-03-20
JPH04298724A (ja) 1992-10-22
EP0442553B1 (en) 1995-03-08
PL289030A1 (en) 1991-08-26
PL164373B1 (pl) 1994-07-29
DE69107872D1 (de) 1995-04-13
PT96736B (pt) 2001-08-30
AR247795A1 (es) 1995-03-31

Similar Documents

Publication Publication Date Title
FI915561A (fi) Sjaelvtvaerbindande polymerlatexkomposition med laog formaldehydhalt.
FI913436A0 (fi) Toejningsmaetare-transduktorsystem med spaerrkrets.
FI912505A (fi) Med tummen aktiverbar ergonomisk spaorboll.
FI910649A0 (fi) Optisk foerstaerkare med en enkelmodal kurvad aktivfiber.
FI913139A (fi) Foerbraenningsmotor med en foergasare.
FI913278A0 (fi) Betongsten belagd med kopolymerfilmer.
FI912752A0 (fi) Styrfoerfarande och -anordning foersett med villkorlig ingaong foer televisionssaendare.
FI911919A (fi) Parabolgeneratorer med hjaelpnollstaellningsfunktion.
FI912057A0 (fi) Televisionsapparat med bild-i-bild-behandling.
FI912029A0 (fi) Korrigeringskrets foer dynfoervraengning med kompensation foer maosvingefoervraengning.
FI913411A0 (fi) Benzhydrylderivat med kalmodulin inhibiterande egenskaper.
FI911020A (fi) Sammansaettningar med diklorpentafluorpropaner.
FI911553A (fi) Braenslesystem foer en dieselmotor med dubbelbraensle.
FI910152A0 (fi) Kipplaufvapen med laett utbytbara slagstift.
FI913467A0 (fi) Multislingad mikrovaogsfrekvenssyntetisator med laogt fasbrus.
FI901064A0 (fi) Arealberaeknare med digitaltablao foer planfigurer.
FI905852A (fi) Solcell med vaetskemantel.
FI904094A (fi) Cykelreflektor med repareringstub.
FI902619A0 (fi) Centrifugalflaekt med tyst gaong.
FI901349A0 (fi) Hjaelpanordning med flera funktioner foer virkesgripare.
FI901262A0 (fi) Traktordragen vagn med medunderrede.
FI901076A0 (fi) Faergtabell med 5-delning.
FI905762A (fi) Brandvarnare med stannande klockslagsvisning.
FI900164A0 (fi) En diskmaskin med torkskaop.
FI905965A (fi) Reaktionskaerl foersett med en magnetblandare.