DE69725145D1 - Verstärkte sensorgruppen - Google Patents

Verstärkte sensorgruppen

Info

Publication number
DE69725145D1
DE69725145D1 DE69725145T DE69725145T DE69725145D1 DE 69725145 D1 DE69725145 D1 DE 69725145D1 DE 69725145 T DE69725145 T DE 69725145T DE 69725145 T DE69725145 T DE 69725145T DE 69725145 D1 DE69725145 D1 DE 69725145D1
Authority
DE
Germany
Prior art keywords
sensor groups
reinforced sensor
reinforced
groups
sensor
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
Application number
DE69725145T
Other languages
English (en)
Other versions
DE69725145T2 (de
Inventor
Craig W Hodgson
L Wagener
J Digonnet
John Shaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Application granted granted Critical
Publication of DE69725145D1 publication Critical patent/DE69725145D1/de
Publication of DE69725145T2 publication Critical patent/DE69725145T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/16—Optical or photographic arrangements structurally combined with the vessel
    • 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
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2939—Network aspects
    • 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
    • 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
DE69725145T 1996-07-12 1997-07-10 Verstärkte sensorgruppen Expired - Lifetime DE69725145T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US2169996P 1996-07-12 1996-07-12
US3480497P 1997-01-02 1997-01-02
US34804P 1997-01-02
US3611497P 1997-01-17 1997-01-17
US36114P 1997-01-17
US814548 1997-03-11
US08/814,548 US5866898A (en) 1996-07-12 1997-03-11 Time domain multiplexed amplified sensor array with improved signal to noise ratios
PCT/US1997/011906 WO1998002898A1 (en) 1996-07-12 1997-07-10 Amplified sensor arrays
US21699P 2008-01-17

Publications (2)

Publication Number Publication Date
DE69725145D1 true DE69725145D1 (de) 2003-10-30
DE69725145T2 DE69725145T2 (de) 2004-08-05

Family

ID=27487031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725145T Expired - Lifetime DE69725145T2 (de) 1996-07-12 1997-07-10 Verstärkte sensorgruppen

Country Status (11)

Country Link
US (4) US5866898A (de)
EP (1) EP0910863B1 (de)
JP (1) JP4112012B2 (de)
KR (1) KR100471336B1 (de)
AU (1) AU717505B2 (de)
CA (1) CA2260119C (de)
DE (1) DE69725145T2 (de)
IL (1) IL128004A (de)
NO (1) NO317569B1 (de)
TW (1) TW383523B (de)
WO (1) WO1998002898A1 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6200309B1 (en) * 1997-02-13 2001-03-13 Mcdonnell Douglas Corporation Photodynamic therapy system and method using a phased array raman laser amplifier
US5898801A (en) * 1998-01-29 1999-04-27 Lockheed Martin Corporation Optical transport system
US6278657B1 (en) 1998-04-03 2001-08-21 The Board Of Trustees Of The Leland Stanford Junior University 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
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
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
US6034924A (en) * 1998-04-03 2000-03-07 The Board Of Trustees Of The Leland Stanford Junior Univerisity Folded sagnac sensor array
US6249622B1 (en) 1998-06-26 2001-06-19 Litton Systems, Inc. Architecture for large optical fiber array using standard 1×2 couplers
US6711359B1 (en) * 1999-03-10 2004-03-23 Tyco Telecommunications (Us) Inc. Optical fiber communication system employing doped optical fiber and Raman amplification
US6282334B1 (en) 1999-05-13 2001-08-28 Litton Systems, Inc. Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers
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
CA2320453A1 (en) * 1999-10-29 2001-04-29 Litton Systems, Inc. Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors
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
US6269198B1 (en) 1999-10-29 2001-07-31 Litton Systems, Inc. Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors
US6746066B2 (en) * 2000-02-22 2004-06-08 Harry F. Reed Truck bed extension
ATE313878T1 (de) 2000-07-10 2006-01-15 Mpb Technologies Inc Kaskadiertes pumpsystem zur verteilten ramanverstärkung in faseroptischen übertragungssystemen
US20020101874A1 (en) * 2000-11-21 2002-08-01 Whittaker G. Allan Physical layer transparent transport information encapsulation methods and systems
US20030035205A1 (en) * 2001-08-20 2003-02-20 Zisk Edward J. Fiber optic sensor signal amplifier
US6771865B2 (en) * 2002-03-20 2004-08-03 Corning Incorporated Low bend loss optical fiber and components made therefrom
US7085497B2 (en) * 2002-04-03 2006-08-01 Lockheed Martin Corporation Vehicular communication system
FR2839796B1 (fr) * 2002-05-15 2004-11-26 Ermme Systeme d'acquisition multi-voies synchrones pour la mesure de grandeurs physiques, module d'acquisition utilise et procede mis en oeuvre dans un tel systeme
US6995899B2 (en) * 2002-06-27 2006-02-07 Baker Hughes Incorporated Fiber optic amplifier for oilfield applications
US6850461B2 (en) * 2002-07-18 2005-02-01 Pgs Americas, Inc. Fiber-optic seismic array telemetry, system, and method
GB2417627B (en) * 2002-07-18 2006-07-19 Pgs Americas Inc Fiber-optic seismic array telemetry system, and method
US20040046109A1 (en) * 2002-09-05 2004-03-11 Chen Peter C. Method and apparatus for high speed interrogation of fiber optic detector arrays
US20040076434A1 (en) * 2002-09-27 2004-04-22 Whittaker G. Allan Optical distribution network for RF and other analog signals
WO2004093351A2 (en) * 2003-03-31 2004-10-28 Lockheed Martin Corporation Optical network interface systems and devices
JPWO2005004356A1 (ja) * 2003-07-04 2006-08-17 日本電信電話株式会社 遠隔励起を用いた光ファイバ通信システム
US6827597B1 (en) 2003-11-20 2004-12-07 Pgs Americas, Inc. Combined electrical and optical cable connector particularly suited for marine seismic sensor streamers
DE102004047745A1 (de) * 2004-09-30 2006-04-27 Siemens Ag Ermittlung der verstärkten spontanen Emission in einem optischen Faserverstärker
JP4290128B2 (ja) * 2005-02-25 2009-07-01 キヤノン株式会社 センサ
US7310464B2 (en) * 2005-06-21 2007-12-18 Litton Systems, Inc. Multi-wavelength optical source
FR2889305B1 (fr) * 2005-07-28 2007-10-19 Sercel Sa Reseau d'interferometres a fibre optique
GB0606010D0 (en) * 2006-03-25 2006-05-03 Qinetiq Ltd Fibre-Optic Sensor Array
GB2449941B (en) * 2007-06-08 2011-11-02 Stingray Geophysical Ltd Seismic cable structure
JP4724798B2 (ja) * 2007-06-25 2011-07-13 独立行政法人海洋研究開発機構 光ファイバ広域センサシステム
US7622706B2 (en) * 2008-01-18 2009-11-24 Pgs Geophysical As Sensor cable and multiplexed telemetry system for seismic cables having redundant/reversible optical connections
US20100013663A1 (en) 2008-07-16 2010-01-21 Halliburton Energy Services, Inc. Downhole Telemetry System Using an Optically Transmissive Fluid Media and Method for Use of Same
US9784642B2 (en) * 2008-09-23 2017-10-10 Onesubsea Ip Uk Limited Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
GB2478915B (en) * 2010-03-22 2012-11-07 Stingray Geophysical Ltd Sensor array
US8864374B2 (en) * 2010-08-13 2014-10-21 Qorex Llc Low profile, high temperature, hydrogen tolerant optical sensing cable
US9059799B2 (en) * 2011-04-21 2015-06-16 Futurewei Technologies, Inc. Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
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
GB2500717A (en) * 2012-03-30 2013-10-02 Stingray Geophysical Ltd Optical sensing system with amplification
DE102013212665B4 (de) 2013-06-28 2015-06-25 Laser Zentrum Hannover E.V. Verfahren zum Laserbohren oder Laserschneiden eines Werkstücks
DE102015209261A1 (de) * 2015-05-21 2016-11-24 Robert Bosch Gmbh Verfahren zum Laserbohren oder Laserschneiden eines Werkstücks und System zum Laserbohren oder Laserschneiden
WO2016207776A1 (en) * 2015-06-22 2016-12-29 Omnisens Sa A method for reducing noise in measurements taken by a distributed sensor
CN105258781B (zh) * 2015-09-24 2018-11-16 中国石油天然气股份有限公司 一种光纤振动检测系统及光纤振动检测方法
KR102271034B1 (ko) * 2016-03-10 2021-07-02 한국전자통신연구원 레이저 레이더 시스템
GB201700266D0 (en) 2017-01-06 2017-02-22 Silixa Ltd Method and apparatus for optical sensing
DE102017116943B4 (de) 2017-07-26 2019-04-11 Laser Zentrum Hannover E.V. Verfahren zum Laserbohren oder Laserschneiden eines Werkstückes
RU2701182C1 (ru) * 2019-03-18 2019-09-25 Общество С Ограниченной Ответственностью "Киплайн" Устройство опроса чувствительного элемента
RU192121U1 (ru) * 2019-03-28 2019-09-04 Общество С Ограниченной Ответственностью "Киплайн" Устройство опроса чувствительного элемента
RU192122U1 (ru) * 2019-03-28 2019-09-04 Общество С Ограниченной Ответственностью "Киплайн" Устройство опроса чувствительного элемента
US11193801B2 (en) 2019-05-22 2021-12-07 Nec Corporation Amplifier dynamics compensation for brillouin optical time-domain reflectometry
WO2021001710A1 (en) * 2019-07-02 2021-01-07 Technology Innovation Momentum Fund (Israel) Limited Partnership Interrogation of arrays of equally spaced weak reflectors in optical fibers
CN111044138A (zh) * 2019-12-26 2020-04-21 北京航天控制仪器研究所 一种光纤激光水听器时分波分混合复用阵列系统
CN115987399B (zh) * 2023-03-20 2023-08-11 北京神州普惠科技股份有限公司 一种光纤水听器传输系统及光信号传输方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768850A (en) * 1984-06-20 1988-09-06 The Board Of Trustees Of The Leland Stanford Junior University Cascaded fiber optic lattice filter
US4928004A (en) * 1988-06-20 1990-05-22 Center For Innovative Technology Method and apparatus for sensing strain
US5173743A (en) * 1991-05-28 1992-12-22 Litton Systems, Inc. Fiber optical time-division-multiplexed unbalanced pulsed interferometer with polarization fading compensation
US5534993A (en) * 1994-06-15 1996-07-09 United Technologies Corporation Dual-wavelength frequency-chirped microwave AMCW ladar system
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

Also Published As

Publication number Publication date
CA2260119A1 (en) 1998-01-22
CA2260119C (en) 2006-05-30
US6040571A (en) 2000-03-21
JP2002509606A (ja) 2002-03-26
NO317569B1 (no) 2004-11-15
TW383523B (en) 2000-03-01
DE69725145T2 (de) 2004-08-05
IL128004A0 (en) 1999-11-30
KR20000023748A (ko) 2000-04-25
US6365891B1 (en) 2002-04-02
NO990103D0 (no) 1999-01-11
WO1998002898A1 (en) 1998-01-22
EP0910863B1 (de) 2003-09-24
AU3795397A (en) 1998-02-09
KR100471336B1 (ko) 2005-03-07
EP0910863A4 (de) 2001-01-17
EP0910863A1 (de) 1999-04-28
JP4112012B2 (ja) 2008-07-02
US6084233A (en) 2000-07-04
IL128004A (en) 2002-04-21
AU717505B2 (en) 2000-03-30
US5866898A (en) 1999-02-02
NO990103L (no) 1999-03-09

Similar Documents

Publication Publication Date Title
DE69725145D1 (de) Verstärkte sensorgruppen
BR9608046A (pt) Sensor
DE59509359D1 (de) Sensorsystem
DE29522062U1 (de) Meßfühler
DE69711790T2 (de) Reifensensor
DE59709592D1 (de) Opto-elektronischer Sensor
DE69706040D1 (de) Sensorsysteme
DE69703171T2 (de) Drehgeber
DE59813733D1 (de) Sensorsystem
DE59712865D1 (de) Sensoranordnung
DE69739700D1 (de) Sensormatrix
DE19815150B4 (de) Sensoranordnung
DE59610872D1 (de) Drehzahlsensor
ATA159897A (de) Sensor
DE59710338D1 (de) Drehgeber
DE29705615U1 (de) Sensoranordnung
DE59710374D1 (de) Kombinationswaage
DE29718245U1 (de) Meßwertgeber
DE29610157U1 (de) Mehrfachsensor
DE59706157D1 (de) Positionssensor
DE59709096D1 (de) Kombinationswaage
DE59708158D1 (de) Fahrpedalgeber
DE59608775D1 (de) Sensorelement
DE69702414D1 (de) Verstärkter Befestigungspunkt
DE9406603U1 (de) Meßfühler

Legal Events

Date Code Title Description
8364 No opposition during term of opposition