IL128004A - Increased sensor array - Google Patents

Increased sensor array

Info

Publication number
IL128004A
IL128004A IL12800497A IL12800497A IL128004A IL 128004 A IL128004 A IL 128004A IL 12800497 A IL12800497 A IL 12800497A IL 12800497 A IL12800497 A IL 12800497A IL 128004 A IL128004 A IL 128004A
Authority
IL
Israel
Prior art keywords
optical
sensors
return
bus
signal
Prior art date
Application number
IL12800497A
Other languages
English (en)
Hebrew (he)
Other versions
IL128004A0 (en
Original Assignee
Univ Leland Stanford Junior
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 Univ Leland Stanford Junior filed Critical Univ Leland Stanford Junior
Publication of IL128004A0 publication Critical patent/IL128004A0/xx
Publication of IL128004A publication Critical patent/IL128004A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/16Optical or photographic arrangements structurally combined with the vessel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293Signal power control
    • H04B10/2933Signal power control considering the whole optical path
    • H04B10/2939Network aspects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/353Mechanical 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
    • G01D5/35383Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Transform (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IL12800497A 1996-07-12 1997-07-10 Increased sensor array IL128004A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2169996P 1996-07-12 1996-07-12
US3480497P 1997-01-02 1997-01-02
US3611497P 1997-01-17 1997-01-17
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

Publications (2)

Publication Number Publication Date
IL128004A0 IL128004A0 (en) 1999-11-30
IL128004A true IL128004A (en) 2002-04-21

Family

ID=27487031

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12800497A IL128004A (en) 1996-07-12 1997-07-10 Increased sensor array

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)

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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
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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
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
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
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
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
US6282334B1 (en) 1999-05-13 2001-08-28 Litton Systems, Inc. Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers
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
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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
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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
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US6995899B2 (en) * 2002-06-27 2006-02-07 Baker Hughes Incorporated Fiber optic amplifier for oilfield applications
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US6850461B2 (en) 2002-07-18 2005-02-01 Pgs Americas, Inc. Fiber-optic seismic array telemetry, system, and method
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US7570887B2 (en) * 2003-03-31 2009-08-04 Lockheed Martin Corporation Optical network interface systems and devices
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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
WO2010034988A1 (en) * 2008-09-23 2010-04-01 Schlumberger Holdings Limited Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
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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
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US20180045542A1 (en) * 2015-06-22 2018-02-15 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
RU192122U1 (ru) * 2019-03-28 2019-09-04 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
US11193801B2 (en) 2019-05-22 2021-12-07 Nec Corporation Amplifier dynamics compensation for brillouin optical time-domain reflectometry
US20220178723A1 (en) * 2019-07-02 2022-06-09 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

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Also Published As

Publication number Publication date
CA2260119A1 (en) 1998-01-22
KR20000023748A (ko) 2000-04-25
AU717505B2 (en) 2000-03-30
US6365891B1 (en) 2002-04-02
NO990103D0 (no) 1999-01-11
DE69725145D1 (de) 2003-10-30
NO990103L (no) 1999-03-09
AU3795397A (en) 1998-02-09
EP0910863B1 (de) 2003-09-24
EP0910863A1 (de) 1999-04-28
US6040571A (en) 2000-03-21
TW383523B (en) 2000-03-01
NO317569B1 (no) 2004-11-15
JP2002509606A (ja) 2002-03-26
JP4112012B2 (ja) 2008-07-02
US6084233A (en) 2000-07-04
IL128004A0 (en) 1999-11-30
US5866898A (en) 1999-02-02
DE69725145T2 (de) 2004-08-05
WO1998002898A1 (en) 1998-01-22
KR100471336B1 (ko) 2005-03-07
CA2260119C (en) 2006-05-30
EP0910863A4 (de) 2001-01-17

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