IT8922196A0 - Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio - Google Patents
Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggioInfo
- Publication number
- IT8922196A0 IT8922196A0 IT22196A IT2219689A IT8922196A0 IT 8922196 A0 IT8922196 A0 IT 8922196A0 IT 22196 A IT22196 A IT 22196A IT 2219689 A IT2219689 A IT 2219689A IT 8922196 A0 IT8922196 A0 IT 8922196A0
- Authority
- IT
- Italy
- Prior art keywords
- low noise
- optical amplifier
- pumping power
- amplifier group
- power reflection
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
- 238000005086 pumping Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
-
- 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
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50372—Load pallets manually, with visual instruction assistance
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50373—If 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)
Priority Applications (26)
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. |
AU64587/90A AU636669B2 (en) | 1989-10-30 | 1990-10-11 | Low-noise optical amplification unit with reflection of the pumping power |
AT90202730T ATE99841T1 (de) | 1989-10-30 | 1990-10-15 | Optische verstaerkungseinrichtung mit niedrigem rauschen und reflexion der pumpleistung. |
DK90202730.9T DK0426221T3 (da) | 1989-10-30 | 1990-10-15 | Optisk forstærkningsenhed med lav støj og refleksion af pumpeeffekten |
DE69005794T DE69005794T2 (de) | 1989-10-30 | 1990-10-15 | Optische Verstärkungseinrichtung mit niedrigem Rauschen und Reflexion der Pumpleistung. |
EP90202730A EP0426221B1 (en) | 1989-10-30 | 1990-10-15 | Low-noise optical amplification unit with reflection of the pumping power |
ES90202730T ES2049915T3 (es) | 1989-10-30 | 1990-10-15 | Dispositivo de amplificacion optica de bajo ruido con reflexion de la potencia bombeo. |
MYPI90001848A MY107270A (en) | 1989-10-30 | 1990-10-22 | Low-noise optical amplication unit with reflecting of the pumping power. |
IE383690A IE64719B1 (en) | 1989-10-30 | 1990-10-25 | Low-noise optical amplification unit with reflection of the pumping power |
CA002028639A CA2028639C (en) | 1989-10-30 | 1990-10-26 | Low-noise active fiber optical amplifier with pumping power reflector |
PE1990176712A PE5191A1 (es) | 1989-10-30 | 1990-10-29 | Adaptador para lineas opticas amplificadas |
FI905340A FI97259C (fi) | 1989-10-30 | 1990-10-29 | Aktiivikuitutyyppinen optinen vahvistin |
CS905295A CZ283653B6 (cs) | 1989-10-30 | 1990-10-29 | Optický zesilovač s aktivním vláknem |
SK5295-90A SK280517B6 (sk) | 1989-10-30 | 1990-10-29 | Optický zosilňovač s aktívnym vláknom |
SU904831532A RU2085043C1 (ru) | 1989-10-30 | 1990-10-29 | Оптический усилитель для приема сигналов передачи в волоконно-оптической линии связи |
NO904676A NO302328B1 (no) | 1989-10-30 | 1990-10-29 | Optisk forsterker med lav stöy og med refleksjon av den pumpende effekt |
PT95726A PT95726B (pt) | 1989-10-30 | 1990-10-29 | Unidade amplificador optica de baixo nivel de ruido com reflexao do poder de bombeamento |
AR90318216A AR244918A1 (es) | 1989-10-30 | 1990-10-29 | Un amplificador optico del tipo de fibra activa |
BR909005621A BR9005621A (pt) | 1989-10-30 | 1990-10-30 | Grupo de amplificacao otico de baixo ruido,com reflexao da potencia de bombeamento |
HU906941A HU210854B (en) | 1989-10-30 | 1990-10-30 | Optical amplifier |
JP2293507A JP2963187B2 (ja) | 1989-10-30 | 1990-10-30 | アクティブファイバー型光増幅器 |
KR1019900017486A KR950009326B1 (ko) | 1989-10-30 | 1990-10-30 | 펌핑 전력반사기능을 지니는 저잡음용 광증폭기 |
CN90108706A CN1018787B (zh) | 1989-10-30 | 1990-10-30 | 带有激励功率反射的低噪音光纤放大器 |
PL90287577A PL164795B1 (pl) | 1989-10-30 | 1990-10-30 | Wzmacniacz optyczny z wlóknem aktywnym PL PL PL PL PL |
US07/824,742 US5138483A (en) | 1989-10-30 | 1992-01-21 | Low-noise active fiber optical amplifier with pumping power reflector |
HK111394A HK111394A (en) | 1989-10-30 | 1994-10-12 | Low-noise optical amplification unit with reflection of the pumping power |
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 |
---|---|
IT8922196A0 true IT8922196A0 (it) | 1989-10-30 |
IT8922196A1 IT8922196A1 (it) | 1991-04-30 |
IT1237135B IT1237135B (it) | 1993-05-24 |
Family
ID=11192901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02219689A IT1237135B (it) | 1989-10-30 | 1989-10-30 | Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio. |
Country Status (26)
Country | Link |
---|---|
US (1) | US5138483A (it) |
EP (1) | EP0426221B1 (it) |
JP (1) | JP2963187B2 (it) |
KR (1) | KR950009326B1 (it) |
CN (1) | CN1018787B (it) |
AR (1) | AR244918A1 (it) |
AT (1) | ATE99841T1 (it) |
AU (1) | AU636669B2 (it) |
BR (1) | BR9005621A (it) |
CA (1) | CA2028639C (it) |
CZ (1) | CZ283653B6 (it) |
DE (1) | DE69005794T2 (it) |
DK (1) | DK0426221T3 (it) |
ES (1) | ES2049915T3 (it) |
FI (1) | FI97259C (it) |
HK (1) | HK111394A (it) |
HU (1) | HU210854B (it) |
IE (1) | IE64719B1 (it) |
IT (1) | IT1237135B (it) |
MY (1) | MY107270A (it) |
NO (1) | NO302328B1 (it) |
PE (1) | PE5191A1 (it) |
PL (1) | PL164795B1 (it) |
PT (1) | PT95726B (it) |
RU (1) | RU2085043C1 (it) |
SK (1) | SK280517B6 (it) |
Families Citing this family (27)
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 |
EP0514686B1 (de) * | 1991-05-18 | 1995-08-16 | Alcatel SEL Aktiengesellschaft | 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 |
DE69416396T2 (de) * | 1994-04-11 | 1999-06-10 | Hewlett Packard Gmbh | Rauschpegelmessungsverfahren in Gegenwart von einem Signal |
EP0729207A3 (en) * | 1995-02-24 | 1997-10-15 | At & T Corp | Fiber optic amplifier comprising an optical circulator |
DE69633476T2 (de) * | 1995-03-20 | 2005-12-01 | Fujitsu Ltd., Kawasaki | Faseroptischer Verstärker und dispersionskompensierendes Fasermodul für faseroptischen Verstärker |
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 |
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 |
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 |
EP1183757A1 (fr) * | 1999-06-09 | 2002-03-06 | Commissariat A L'energie Atomique | Amplificateur optique |
US6690507B2 (en) * | 2002-01-30 | 2004-02-10 | Corning Incorporated | Double-pumped raman amplifier |
AU2003221350A1 (en) * | 2002-03-13 | 2003-09-22 | Nikon Corporation | Light amplifying device and method of manufacturing the device, light source device using the light amplifying device, light treatment device using the light source device, and exposure device using the light source device |
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 |
WO2011026526A1 (en) * | 2009-09-07 | 2011-03-10 | Nokia Siemens Networks Oy | 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 |
US11621778B2 (en) | 2019-06-11 | 2023-04-04 | Nippon Telegraph And Telephone Corporation | Optical communication system and optical communication method |
Family Cites Families (14)
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 |
-
1989
- 1989-10-30 IT IT02219689A patent/IT1237135B/it active IP Right Grant
-
1990
- 1990-10-11 AU AU64587/90A patent/AU636669B2/en not_active Ceased
- 1990-10-15 ES ES90202730T patent/ES2049915T3/es not_active Expired - Lifetime
- 1990-10-15 DK DK90202730.9T patent/DK0426221T3/da active
- 1990-10-15 AT AT90202730T patent/ATE99841T1/de not_active IP Right Cessation
- 1990-10-15 DE DE69005794T patent/DE69005794T2/de not_active Expired - Fee Related
- 1990-10-15 EP EP90202730A patent/EP0426221B1/en not_active Expired - Lifetime
- 1990-10-22 MY MYPI90001848A patent/MY107270A/en unknown
- 1990-10-25 IE IE383690A patent/IE64719B1/en not_active IP Right Cessation
- 1990-10-26 CA CA002028639A patent/CA2028639C/en not_active Expired - Fee Related
- 1990-10-29 NO NO904676A patent/NO302328B1/no not_active IP Right Cessation
- 1990-10-29 SK SK5295-90A patent/SK280517B6/sk unknown
- 1990-10-29 PT PT95726A patent/PT95726B/pt not_active IP Right Cessation
- 1990-10-29 AR AR90318216A patent/AR244918A1/es active
- 1990-10-29 FI FI905340A patent/FI97259C/fi not_active IP Right Cessation
- 1990-10-29 RU SU904831532A patent/RU2085043C1/ru active
- 1990-10-29 PE PE1990176712A patent/PE5191A1/es not_active Application Discontinuation
- 1990-10-29 CZ CS905295A patent/CZ283653B6/cs not_active IP Right Cessation
- 1990-10-30 JP JP2293507A patent/JP2963187B2/ja not_active Expired - Fee Related
- 1990-10-30 KR KR1019900017486A patent/KR950009326B1/ko not_active IP Right Cessation
- 1990-10-30 PL PL90287577A patent/PL164795B1/pl unknown
- 1990-10-30 BR BR909005621A patent/BR9005621A/pt not_active IP Right Cessation
- 1990-10-30 CN CN90108706A patent/CN1018787B/zh not_active Expired
- 1990-10-30 HU HU906941A patent/HU210854B/hu not_active IP Right Cessation
-
1992
- 1992-01-21 US US07/824,742 patent/US5138483A/en not_active Expired - Lifetime
-
1994
- 1994-10-12 HK HK111394A patent/HK111394A/xx not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971029 |