NO904676L - Optisk forsterkningsenhet med lav stoey og med refleksjon av den pumpende effekt. - Google Patents

Optisk forsterkningsenhet med lav stoey og med refleksjon av den pumpende effekt.

Info

Publication number
NO904676L
NO904676L NO90904676A NO904676A NO904676L NO 904676 L NO904676 L NO 904676L NO 90904676 A NO90904676 A NO 90904676A NO 904676 A NO904676 A NO 904676A NO 904676 L NO904676 L NO 904676L
Authority
NO
Norway
Prior art keywords
stoey
reflection
low
optical amplifier
amplifier unit
Prior art date
Application number
NO90904676A
Other languages
English (en)
Other versions
NO302328B1 (no
NO904676D0 (no
Inventor
Giorgio Grasso
Aldo Righetti
Flavio Fontana
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
Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of NO904676D0 publication Critical patent/NO904676D0/no
Publication of NO904676L publication Critical patent/NO904676L/no
Publication of NO302328B1 publication Critical patent/NO302328B1/no

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35Non-linear optics
    • G02F1/39Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/50Machine tool, machine tool null till machine tool work handling
    • G05B2219/50372Load pallets manually, with visual instruction assistance
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/50Machine tool, machine tool null till machine tool work handling
    • G05B2219/50373If pallet is not loaded conforming to instruction, warning

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
NO904676A 1989-10-30 1990-10-29 Optisk forsterker med lav stöy og med refleksjon av den pumpende effekt NO302328B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02219689A IT1237135B (it) 1989-10-30 1989-10-30 Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio.

Publications (3)

Publication Number Publication Date
NO904676D0 NO904676D0 (no) 1990-10-29
NO904676L true NO904676L (no) 1991-05-02
NO302328B1 NO302328B1 (no) 1998-02-16

Family

ID=11192901

Family Applications (1)

Application Number Title Priority Date Filing Date
NO904676A NO302328B1 (no) 1989-10-30 1990-10-29 Optisk forsterker med lav stöy og med refleksjon av den pumpende effekt

Country Status (26)

Country Link
US (1) US5138483A (no)
EP (1) EP0426221B1 (no)
JP (1) JP2963187B2 (no)
KR (1) KR950009326B1 (no)
CN (1) CN1018787B (no)
AR (1) AR244918A1 (no)
AT (1) ATE99841T1 (no)
AU (1) AU636669B2 (no)
BR (1) BR9005621A (no)
CA (1) CA2028639C (no)
CZ (1) CZ283653B6 (no)
DE (1) DE69005794T2 (no)
DK (1) DK0426221T3 (no)
ES (1) ES2049915T3 (no)
FI (1) FI97259C (no)
HK (1) HK111394A (no)
HU (1) HU210854B (no)
IE (1) IE64719B1 (no)
IT (1) IT1237135B (no)
MY (1) MY107270A (no)
NO (1) NO302328B1 (no)
PE (1) PE5191A1 (no)
PL (1) PL164795B1 (no)
PT (1) PT95726B (no)
RU (1) RU2085043C1 (no)
SK (1) SK280517B6 (no)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2019253C (en) * 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
JP2734209B2 (ja) * 1991-01-28 1998-03-30 日本電気株式会社 光ファイバ増幅器
DE59203263D1 (de) * 1991-05-18 1995-09-21 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischer Steuerung eines optischen Verstärkers oder Wellenlängenkonversion der optischen Signale.
FR2679341A1 (fr) * 1991-07-17 1993-01-22 Alcatel Nv Amplificateur a fibre optique dopee a l'erbium.
JPH05142595A (ja) * 1991-11-22 1993-06-11 Nec Corp 光情報信号増幅装置
DE4214766A1 (de) * 1992-05-04 1993-11-11 Sel Alcatel Ag Faseroptischer Verstärker mit rückwirkungsunempfindlichem Pumplaser
JPH05347449A (ja) * 1992-06-12 1993-12-27 Ando Electric Co Ltd 信号光及び信号光と波長の違う連続光を増幅する光増幅器
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector
US6339191B1 (en) 1994-03-11 2002-01-15 Silicon Bandwidth Inc. Prefabricated semiconductor chip carrier
EP0678988B1 (en) * 1994-04-11 1999-02-03 Hewlett-Packard GmbH Method of measuring the noise level in the presence of a signal
EP0729207A3 (en) * 1995-02-24 1997-10-15 At & T Corp Fiber optic amplifier comprising an optical circulator
EP2503655A3 (en) * 1995-03-20 2013-02-27 Fujitsu Limited Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
US6016213A (en) * 1996-07-08 2000-01-18 Ditech Corporation Method and apparatus for optical amplifier gain and noise figure measurement
DE19723267A1 (de) * 1997-06-03 1998-12-10 Heidelberger Druckmasch Ag Verfahren und Anordnung zur Reduzierung des Pumplichts am Austritt eines Fiberlasers
US5991070A (en) * 1997-11-14 1999-11-23 Sdl, Inc. Optical amplifier with oscillating pump energy
JPH11275021A (ja) * 1998-03-20 1999-10-08 Fujitsu Ltd 光増幅装置
JPH11307844A (ja) * 1998-04-27 1999-11-05 Fujitsu Ltd 能動型光ファイバ及び光ファイバ増幅器
JP4179662B2 (ja) 1998-04-27 2008-11-12 富士通株式会社 光増幅器及び能動型光ファイバ
WO2000076035A1 (fr) * 1999-06-09 2000-12-14 Commissariat A L'energie Atomique Amplificateur optique
US6690507B2 (en) * 2002-01-30 2004-02-10 Corning Incorporated Double-pumped raman amplifier
WO2003077383A1 (fr) * 2002-03-13 2003-09-18 Nikon Corporation Dispositif d'amplification lumineuse, son procede de fabrication, source de lumiere mettant ce dispositif en application, dispositif de traitement lumineux utilisant la source de lumiere et dispositif d'exposition utilisant cette source de lumiere
US7034387B2 (en) * 2003-04-04 2006-04-25 Chippac, Inc. Semiconductor multipackage module including processor and memory package assemblies
DE102005031897B4 (de) * 2005-07-07 2007-10-25 Siemens Ag Mehrstufiger Faserverstärker
US7861742B2 (en) 2005-08-17 2011-01-04 Jong Koo Kim Cartridge of water supply valve
US8817366B2 (en) * 2009-09-07 2014-08-26 Xieon Networks S.A.R.L. Optical fiber amplifier with improved transient performance
US11323105B2 (en) 2018-06-15 2022-05-03 Fermi Research Alliance, Llc Method and system for arbitrary optical pulse generation
JP7343806B2 (ja) * 2019-06-11 2023-09-13 日本電信電話株式会社 光通信システム及び光通信方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592490A (ja) * 1982-06-28 1984-01-09 Hitachi Ltd Fmテレビジヨン信号の受信回路
US5048026A (en) * 1983-09-30 1991-09-10 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4674830A (en) * 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4938556A (en) * 1983-11-25 1990-07-03 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fiber laser source
GB2151869B (en) * 1983-12-16 1986-12-31 Standard Telephones Cables Ltd Optical amplifiers
US4681396A (en) * 1984-10-09 1987-07-21 General Electric Company High power laser energy delivery system
US4637025A (en) * 1984-10-22 1987-01-13 Polaroid Corporation Super radiant light source
US4712075A (en) * 1985-11-27 1987-12-08 Polaroid Corporation Optical amplifier
AU6938687A (en) * 1986-01-31 1987-08-25 Advanced Lasers Ltd Fibre communication laser system
GB8613192D0 (en) * 1986-05-30 1986-07-02 British Telecomm Optical resonating device
GB8622745D0 (en) * 1986-09-22 1986-10-29 Plessey Co Plc Bistable optical device
US4782491A (en) * 1987-04-09 1988-11-01 Polaroid Corporation Ion doped, fused silica glass fiber laser
US4964131A (en) * 1988-12-16 1990-10-16 The Board Of Trustees Of The Leland Standford Junior University Broadband optical fiber laser
US4963832A (en) * 1989-08-08 1990-10-16 At&T Bell Laboratories Erbium-doped fiber amplifier coupling device

Also Published As

Publication number Publication date
FI97259C (fi) 1996-11-11
IT8922196A0 (it) 1989-10-30
CA2028639C (en) 1996-11-26
CN1018787B (zh) 1992-10-21
RU2085043C1 (ru) 1997-07-20
IE64719B1 (en) 1995-08-23
IT1237135B (it) 1993-05-24
BR9005621A (pt) 1991-09-17
HUT58418A (en) 1992-02-28
AR244918A1 (es) 1993-11-30
IE903836A1 (en) 1991-05-08
PL164795B1 (pl) 1994-10-31
DK0426221T3 (da) 1994-05-16
AU636669B2 (en) 1993-05-06
DE69005794T2 (de) 1994-07-14
ES2049915T3 (es) 1994-05-01
EP0426221A1 (en) 1991-05-08
DE69005794D1 (de) 1994-02-17
PE5191A1 (es) 1991-02-27
FI905340A0 (fi) 1990-10-29
SK280517B6 (sk) 2000-03-13
CN1052234A (zh) 1991-06-12
CA2028639A1 (en) 1991-05-01
KR950009326B1 (ko) 1995-08-19
AU6458790A (en) 1991-05-02
CS529590A3 (en) 1992-04-15
KR910008468A (ko) 1991-05-31
EP0426221B1 (en) 1994-01-05
HU210854B (en) 1995-08-28
JP2963187B2 (ja) 1999-10-12
MY107270A (en) 1995-10-31
HU906941D0 (en) 1991-05-28
US5138483A (en) 1992-08-11
ATE99841T1 (de) 1994-01-15
HK111394A (en) 1994-10-21
JPH03166782A (ja) 1991-07-18
FI97259B (fi) 1996-07-31
NO302328B1 (no) 1998-02-16
CZ283653B6 (cs) 1998-05-13
PT95726B (pt) 1998-07-31
NO904676D0 (no) 1990-10-29
PT95726A (pt) 1992-06-30
IT8922196A1 (it) 1991-04-30

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN APRIL 2003