DE60044868D1 - Wdm/tdm fasersensoranordnung mit erbium-dotierten faserverstärkern - Google Patents
Wdm/tdm fasersensoranordnung mit erbium-dotierten faserverstärkernInfo
- Publication number
- DE60044868D1 DE60044868D1 DE60044868T DE60044868T DE60044868D1 DE 60044868 D1 DE60044868 D1 DE 60044868D1 DE 60044868 T DE60044868 T DE 60044868T DE 60044868 T DE60044868 T DE 60044868T DE 60044868 D1 DE60044868 D1 DE 60044868D1
- Authority
- DE
- Germany
- Prior art keywords
- optical
- signal
- amplifiers
- distribution bus
- buses
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000000835 fiber Substances 0.000 title 2
- 230000003287 optical effect Effects 0.000 abstract 5
- 230000002269 spontaneous effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/311,007 US6282334B1 (en) | 1999-05-13 | 1999-05-13 | Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers |
PCT/US2000/001777 WO2000070308A1 (en) | 1999-05-13 | 2000-01-24 | Large scale wdm/tdm sensor array employing erbium-doped fiber amplifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60044868D1 true DE60044868D1 (de) | 2010-10-07 |
Family
ID=23204978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60044868T Expired - Lifetime DE60044868D1 (de) | 1999-05-13 | 2000-01-24 | Wdm/tdm fasersensoranordnung mit erbium-dotierten faserverstärkern |
Country Status (8)
Country | Link |
---|---|
US (1) | US6282334B1 (de) |
EP (1) | EP1177412B1 (de) |
AT (1) | ATE479078T1 (de) |
AU (1) | AU3855100A (de) |
CA (1) | CA2369729C (de) |
DE (1) | DE60044868D1 (de) |
NO (1) | NO332666B1 (de) |
WO (1) | WO2000070308A1 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6678211B2 (en) | 1998-04-03 | 2004-01-13 | The Board Of Trustees Of The Leland Stanford Junior University | Amplified tree structure technology for fiber optic sensor arrays |
US6667935B2 (en) | 1998-04-03 | 2003-12-23 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array |
US6278657B1 (en) * | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
US6507679B1 (en) * | 1999-05-13 | 2003-01-14 | Litton Systems, Inc. | Long distance, all-optical telemetry for fiber optic sensor using remote optically pumped EDFAs |
US6429964B1 (en) * | 1999-09-24 | 2002-08-06 | Agere Systems Guardian Corp. | High power, multiple-tap co-doped optical amplifier |
US6735392B1 (en) * | 1999-10-18 | 2004-05-11 | Nortel Networks Limited | System and method for transmitting and restoring an optical signal |
US6724319B1 (en) | 1999-10-29 | 2004-04-20 | Litton Systems, Inc. | Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
US6728165B1 (en) | 1999-10-29 | 2004-04-27 | Litton Systems, Inc. | Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
US7184670B2 (en) * | 2000-05-10 | 2007-02-27 | Lockheed Martin Corporation | Telemetry system and method for acoustic arrays |
EP1423987B1 (de) * | 2001-08-10 | 2019-02-13 | The Board Of Trustees Of The Leland Stanford Junior University | Verstärkte baumstrukturtechnologie für faseroptische sensorarrays |
CN1330119C (zh) * | 2001-11-11 | 2007-08-01 | 华为技术有限公司 | 一种用于高速传输系统的光信号调节方法及光传输系统 |
GB0128588D0 (en) * | 2001-11-29 | 2002-01-23 | Qinetiq Ltd | Coherent laser radar apparatus |
US7505687B2 (en) * | 2002-03-29 | 2009-03-17 | Pivotal Decisions Llc | Distributed terminal optical transmission system |
US7085496B2 (en) | 2002-05-30 | 2006-08-01 | Fujitsu Limited | Passive add/drop amplifier for optical networks and method |
US7075712B2 (en) | 2002-05-30 | 2006-07-11 | Fujitsu Limited | Combining and distributing amplifiers for optical network and method |
US7092587B1 (en) * | 2002-08-16 | 2006-08-15 | Raytheon Company | Multichannel optical demultiplexer with varying angles of incidence to the light bandpass filters |
DE20302615U1 (de) * | 2003-02-17 | 2004-07-15 | Tower Automotive Gmbh & Co. Kg | Hohlformteil mit geschlossenem Querschnitt und einer Verstärkung |
US6995683B2 (en) * | 2004-03-12 | 2006-02-07 | Welldynamics, Inc. | System and method for transmitting downhole data to the surface |
FR2889305B1 (fr) * | 2005-07-28 | 2007-10-19 | Sercel Sa | Reseau d'interferometres a fibre optique |
US7526147B2 (en) * | 2005-08-31 | 2009-04-28 | Northrop Grumman, Inc. | Sensor array for perimeter defense |
GB0606010D0 (en) * | 2006-03-25 | 2006-05-03 | Qinetiq Ltd | Fibre-Optic Sensor Array |
TW200827798A (en) * | 2006-12-20 | 2008-07-01 | Inventec Multimedia & Telecom | Switching device of light-beam channel of optical fiber network |
GB2478915B (en) * | 2010-03-22 | 2012-11-07 | Stingray Geophysical Ltd | Sensor array |
WO2012068558A1 (en) * | 2010-11-18 | 2012-05-24 | Redfen Integrated Optics, Inc. | Pulse labeling for high-bandwidth fiber-optic distributed acoustic sensing with reduced cross-talk |
US9234790B2 (en) | 2012-03-19 | 2016-01-12 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus and methods utilizing optical sensors operating in the reflection mode |
WO2013166407A1 (en) * | 2012-05-04 | 2013-11-07 | US Seismic Systems, Inc. | Fiber optic sensing systems and methods of operating the same |
US9366691B2 (en) | 2013-05-02 | 2016-06-14 | Halliburton Energy Services, Inc. | Multiplexed fiber optic sensing system and method |
CN103954307B (zh) * | 2014-04-29 | 2016-09-21 | 中国人民解放军海军工程大学 | 光纤激光传感器时分、波分联合复用方法 |
CN108303626B (zh) * | 2018-03-09 | 2024-04-12 | 广东电网有限责任公司珠海供电局 | 基于分布式光纤传感阵列的局部放电超声测量系统与方法 |
CN114509095B (zh) * | 2022-02-22 | 2023-12-12 | 武汉光迅科技股份有限公司 | 传感系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5796504A (en) | 1996-03-13 | 1998-08-18 | Hughes Electronics | Fiber-optic telemetry system and method for large arrays of sensors |
US5866898A (en) | 1996-07-12 | 1999-02-02 | The Board Of Trustees Of The Leland Stanford Junior University | Time domain multiplexed amplified sensor array with improved signal to noise ratios |
US5696857A (en) * | 1996-07-25 | 1997-12-09 | Litton Systems, Inc. | WDM/FDM fiber optic sensor architecture using WDM tap coupler |
US6034924A (en) * | 1998-04-03 | 2000-03-07 | The Board Of Trustees Of The Leland Stanford Junior Univerisity | Folded sagnac sensor array |
US6097486A (en) * | 1998-04-03 | 2000-08-01 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic acoustic sensor array based on Sagnac interferometer |
-
1999
- 1999-05-13 US US09/311,007 patent/US6282334B1/en not_active Expired - Lifetime
-
2000
- 2000-01-24 WO PCT/US2000/001777 patent/WO2000070308A1/en active Application Filing
- 2000-01-24 AU AU38551/00A patent/AU3855100A/en not_active Abandoned
- 2000-01-24 EP EP00917599A patent/EP1177412B1/de not_active Expired - Lifetime
- 2000-01-24 DE DE60044868T patent/DE60044868D1/de not_active Expired - Lifetime
- 2000-01-24 CA CA002369729A patent/CA2369729C/en not_active Expired - Lifetime
- 2000-01-24 AT AT00917599T patent/ATE479078T1/de not_active IP Right Cessation
-
2001
- 2001-11-12 NO NO20015514A patent/NO332666B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU3855100A (en) | 2000-12-05 |
CA2369729A1 (en) | 2000-11-23 |
NO20015514L (no) | 2001-11-12 |
WO2000070308A1 (en) | 2000-11-23 |
ATE479078T1 (de) | 2010-09-15 |
US6282334B1 (en) | 2001-08-28 |
NO20015514D0 (no) | 2001-11-12 |
EP1177412B1 (de) | 2010-08-25 |
EP1177412A1 (de) | 2002-02-06 |
CA2369729C (en) | 2008-12-30 |
NO332666B1 (no) | 2012-12-03 |
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