PT95726A - Unidade amplificador optica de baixo nivel de ruido com reflexao do poder de bombeamento - Google Patents
Unidade amplificador optica de baixo nivel de ruido com reflexao do poder de bombeamentoInfo
- Publication number
- PT95726A PT95726A PT95726A PT9572690A PT95726A PT 95726 A PT95726 A PT 95726A PT 95726 A PT95726 A PT 95726A PT 9572690 A PT9572690 A PT 9572690A PT 95726 A PT95726 A PT 95726A
- Authority
- PT
- Portugal
- Prior art keywords
- reflection
- low noise
- noise level
- optical amplifier
- amplifier unit
- 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)
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 (2)
Publication Number | Publication Date |
---|---|
PT95726A true PT95726A (pt) | 1992-06-30 |
PT95726B PT95726B (pt) | 1998-07-31 |
Family
ID=11192901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT95726A PT95726B (pt) | 1989-10-30 | 1990-10-29 | Unidade amplificador optica de baixo nivel de ruido com reflexao do poder de bombeamento |
Country Status (26)
Country | Link |
---|---|
US (1) | US5138483A (pt) |
EP (1) | EP0426221B1 (pt) |
JP (1) | JP2963187B2 (pt) |
KR (1) | KR950009326B1 (pt) |
CN (1) | CN1018787B (pt) |
AR (1) | AR244918A1 (pt) |
AT (1) | ATE99841T1 (pt) |
AU (1) | AU636669B2 (pt) |
BR (1) | BR9005621A (pt) |
CA (1) | CA2028639C (pt) |
CZ (1) | CZ283653B6 (pt) |
DE (1) | DE69005794T2 (pt) |
DK (1) | DK0426221T3 (pt) |
ES (1) | ES2049915T3 (pt) |
FI (1) | FI97259C (pt) |
HK (1) | HK111394A (pt) |
HU (1) | HU210854B (pt) |
IE (1) | IE64719B1 (pt) |
IT (1) | IT1237135B (pt) |
MY (1) | MY107270A (pt) |
NO (1) | NO302328B1 (pt) |
PE (1) | PE5191A1 (pt) |
PL (1) | PL164795B1 (pt) |
PT (1) | PT95726B (pt) |
RU (1) | RU2085043C1 (pt) |
SK (1) | SK280517B6 (pt) |
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 |
---|---|---|---|
BB1A | Laying open of patent application |
Effective date: 19920225 |
|
FG3A | Patent granted, date of granting |
Effective date: 19980407 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20021031 |