DE69017647T2 - Verteilte multiplexierte optische Bragg-Gitter Fibersensoranordnung. - Google Patents

Verteilte multiplexierte optische Bragg-Gitter Fibersensoranordnung.

Info

Publication number
DE69017647T2
DE69017647T2 DE69017647T DE69017647T DE69017647T2 DE 69017647 T2 DE69017647 T2 DE 69017647T2 DE 69017647 T DE69017647 T DE 69017647T DE 69017647 T DE69017647 T DE 69017647T DE 69017647 T2 DE69017647 T2 DE 69017647T2
Authority
DE
Germany
Prior art keywords
sensor arrangement
bragg grating
fiber sensor
multiplexed optical
grating fiber
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
DE69017647T
Other languages
English (en)
Other versions
DE69017647D1 (de
Inventor
William Wayne Morey
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE69017647D1 publication Critical patent/DE69017647D1/de
Publication of DE69017647T2 publication Critical patent/DE69017647T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DE69017647T 1989-12-26 1990-12-21 Verteilte multiplexierte optische Bragg-Gitter Fibersensoranordnung. Expired - Lifetime DE69017647T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/456,441 US4996419A (en) 1989-12-26 1989-12-26 Distributed multiplexed optical fiber Bragg grating sensor arrangeement

Publications (2)

Publication Number Publication Date
DE69017647D1 DE69017647D1 (de) 1995-04-13
DE69017647T2 true DE69017647T2 (de) 1995-10-19

Family

ID=23812778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017647T Expired - Lifetime DE69017647T2 (de) 1989-12-26 1990-12-21 Verteilte multiplexierte optische Bragg-Gitter Fibersensoranordnung.

Country Status (4)

Country Link
US (1) US4996419A (de)
EP (1) EP0438757B1 (de)
JP (1) JP3002268B2 (de)
DE (1) DE69017647T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061147A1 (de) * 2000-11-30 2002-06-13 Univ Dresden Tech Anordnung zur Bestimmung der Reflexionswellenlänge von Faser-Bragg-Gittern

Families Citing this family (139)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024326D0 (en) * 1990-11-08 1990-12-19 British Telecomm Method of forming optical fibre gratings
GB9024327D0 (en) * 1990-11-08 1990-12-19 British Telecomm Optical memory
US5208877A (en) * 1991-08-29 1993-05-04 Center For Innovative Technology Fiber optic grating-based weighted, two-mode fiber sensors
US5280172A (en) * 1991-11-12 1994-01-18 Gaz De France Fiber optic sensor for measuring gas
FR2683628B1 (fr) * 1991-11-12 1995-08-18 Gaz De France Capteur a fibre optique pour la mesure d'un parametre, procede d'evaluation d'un tel parametre, et application du capteur a la mesure d'un gaz.
GB9317576D0 (en) * 1993-08-24 1993-10-06 British Aerospace Fibre optic damage detection system
US5351324A (en) * 1993-09-10 1994-09-27 The Regents Of The University Of California, Office Of Technology Transfer Fiber optic security seal including plural Bragg gratings
DE4332501A1 (de) * 1993-09-24 1995-03-30 Siemens Ag Sensorsystem für sich dynamisch ändernde Meßgrößen und zugehöriges Betriebsverfahren
US5401956A (en) * 1993-09-29 1995-03-28 United Technologies Corporation Diagnostic system for fiber grating sensors
US5410404A (en) * 1993-11-30 1995-04-25 The United States Of America As Represented By The Secretary Of The Navy Fiber grating-based detection system for wavelength encoded fiber sensors
US5684297A (en) * 1994-11-17 1997-11-04 Alcatel Cable Method of detecting and/or measuring physical magnitudes using a distributed sensor
US5675674A (en) * 1995-08-24 1997-10-07 Rockbit International Optical fiber modulation and demodulation system
US5898517A (en) * 1995-08-24 1999-04-27 Weis; R. Stephen Optical fiber modulation and demodulation system
US6487914B1 (en) 1995-09-14 2002-12-03 Structural Integrity Monitoring Systems, Inc. Structural monitoring sensor system
US6181841B1 (en) 1995-09-14 2001-01-30 Structural Integrity Monitoring Systems, Inc. Structural monitoring sensor system
GB9521957D0 (en) * 1995-10-26 1996-01-03 Limited Strain gauge
US5770155A (en) * 1995-11-21 1998-06-23 United Technologies Corporation Composite structure resin cure monitoring apparatus using an optical fiber grating sensor
AU1820697A (en) * 1995-12-15 1997-07-17 Structural Integrity Monitoring Systems, Inc. Structural monitoring sensor system
US6647161B1 (en) 1995-12-15 2003-11-11 Malcolm H. Hodge Structural monitoring sensor system
GB2308652B (en) * 1995-12-28 2000-07-19 British Aerospace A temperature-sensitive catheter
US5641956A (en) * 1996-02-02 1997-06-24 F&S, Inc. Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler
US6111681A (en) 1996-02-23 2000-08-29 Ciena Corporation WDM optical communication systems with wavelength-stabilized optical selectors
JP2000515778A (ja) * 1996-07-08 2000-11-28 アニマス コーポレーシヨン 体液成分レベルの生体内測定および制御のための埋込可能センサーおよびシステム
DE19630181C2 (de) * 1996-07-26 2002-08-08 Inst Physikalische Hochtech Ev Kompakter Lichtleitfasersensor zur Detektion chemischer oder biochemischer Substanzen
US5828059A (en) * 1996-09-09 1998-10-27 Udd; Eric Transverse strain measurements using fiber optic grating based sensors
US5838437A (en) * 1997-04-09 1998-11-17 Micron Optics, Inc. Reference system for optical devices including optical scanners and spectrum analyzers
US5892582A (en) * 1996-10-18 1999-04-06 Micron Optics, Inc. Fabry Perot/fiber Bragg grating multi-wavelength reference
US5767411A (en) * 1996-12-31 1998-06-16 Cidra Corporation Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments
US6072567A (en) * 1997-02-12 2000-06-06 Cidra Corporation Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors
US6056436A (en) * 1997-02-20 2000-05-02 University Of Maryland Simultaneous measurement of temperature and strain using optical sensors
FR2761164B1 (fr) 1997-03-20 1999-04-16 Commissariat Energie Atomique Dispositif de demultiplexage des raies spectrales contenues dans un spectre optique
US5925879A (en) 1997-05-09 1999-07-20 Cidra Corporation Oil and gas well packer having fiber optic Bragg Grating sensors for downhole insitu inflation monitoring
US5973317A (en) * 1997-05-09 1999-10-26 Cidra Corporation Washer having fiber optic Bragg Grating sensors for sensing a shoulder load between components in a drill string
US5945665A (en) * 1997-05-09 1999-08-31 Cidra Corporation Bolt, stud or fastener having an embedded fiber optic Bragg Grating sensor for sensing tensioning strain
FR2764376B1 (fr) 1997-06-04 1999-07-16 Commissariat Energie Atomique Dispositif integre de lecture des raies spectrales contenues dans un spectre optique
US5877426A (en) * 1997-06-27 1999-03-02 Cidra Corporation Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain
US6016702A (en) * 1997-09-08 2000-01-25 Cidra Corporation High sensitivity fiber optic pressure sensor for use in harsh environments
US5986749A (en) 1997-09-19 1999-11-16 Cidra Corporation Fiber optic sensing system
US6058226A (en) * 1997-10-24 2000-05-02 D-Star Technologies Llc Optical fiber sensors, tunable filters and modulators using long-period gratings
US5987200A (en) * 1997-10-27 1999-11-16 Lucent Technologies Inc. Device for tuning wavelength response of an optical fiber grating
US6175108B1 (en) 1998-01-30 2001-01-16 Cidra Corporation Accelerometer featuring fiber optic bragg grating sensor for providing multiplexed multi-axis acceleration sensing
US6191414B1 (en) 1998-06-05 2001-02-20 Cidra Corporation Composite form as a component for a pressure transducer
WO2000000793A1 (en) 1998-06-26 2000-01-06 Cidra Corporation Fluid parameter measurement in pipes using acoustic pressures
US6069985A (en) * 1998-08-10 2000-05-30 Albin; Sacharia Cross-fiber Bragg grating transducer
US6522797B1 (en) * 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor system
US6137621A (en) * 1998-09-02 2000-10-24 Cidra Corp Acoustic logging system using fiber optics
US6305227B1 (en) 1998-09-02 2001-10-23 Cidra Corporation Sensing systems using quartz sensors and fiber optics
US6476377B1 (en) 1998-10-30 2002-11-05 Structural Integrity Monitoring Systems, Inc. Structural monitoring system
ES2150386B1 (es) * 1998-12-01 2001-06-01 Univ Madrid Politecnica Sensor para la medida del indice de refraccion y la temperatura de un fluido, consistente en un espejo tallado en el extremo de una fibra optica y una o varias redes de difraccion de bragg inscritas en la fibra.
US6227114B1 (en) 1998-12-29 2001-05-08 Cidra Corporation Select trigger and detonation system using an optical fiber
US6528239B1 (en) 1999-01-15 2003-03-04 Sabeus Photonics, Inc. Method of forming a grating in a waveguide
US6222973B1 (en) 1999-01-15 2001-04-24 D-Star Technologies, Inc. Fabrication of refractive index patterns in optical fibers having protective optical coatings
FR2791768B1 (fr) * 1999-04-01 2001-04-20 Commissariat Energie Atomique Extensometre a reseau de bragg et procede de fabrication de cet extensometre
US6597822B1 (en) * 1999-04-02 2003-07-22 Ifos, Inc. Multiplexable fiber-optic strain sensor system with temperature compensation capability
US6233374B1 (en) 1999-06-04 2001-05-15 Cidra Corporation Mandrel-wound fiber optic pressure sensor
US6463813B1 (en) 1999-06-25 2002-10-15 Weatherford/Lamb, Inc. Displacement based pressure sensor measuring unsteady pressure in a pipe
US6691584B2 (en) 1999-07-02 2004-02-17 Weatherford/Lamb, Inc. Flow rate measurement using unsteady pressures
US6536291B1 (en) 1999-07-02 2003-03-25 Weatherford/Lamb, Inc. Optical flow rate measurement using unsteady pressures
US6274863B1 (en) 1999-07-23 2001-08-14 Cidra Corporation Selective aperture arrays for seismic monitoring
KR100329042B1 (ko) * 1999-08-03 2002-03-18 윤덕용 광섬유 구조물 변형 감지시스템
AU6639900A (en) 1999-08-13 2001-03-13 Advanced Sensor Technologies Llc Probe position sensing system for use in a coordinate measuring machine
NO994363L (no) * 1999-09-09 2001-03-12 Optomed As Fiberoptisk probe for temperaturmÕlinger i biologiske media
NO324337B1 (no) * 1999-09-15 2007-09-24 Optoplan As Anordning for maling av optiske bolgelengder
US6571027B2 (en) 1999-10-07 2003-05-27 Peter W. E. Smith Method and devices for time domain demultiplexing of serial fiber bragg grating sensor arrays
US6212306B1 (en) * 1999-10-07 2001-04-03 David J. F. Cooper Method and device for time domain demultiplexing of serial fiber Bragg grating sensor arrays
US6813962B2 (en) * 2000-03-07 2004-11-09 Weatherford/Lamb, Inc. Distributed sound speed measurements for multiphase flow measurement
US6601458B1 (en) 2000-03-07 2003-08-05 Weatherford/Lamb, Inc. Distributed sound speed measurements for multiphase flow measurement
DE10014175C2 (de) 2000-03-23 2002-12-12 Daimler Chrysler Ag Anordnung aus mehreren faseroptischen Bragg-Gitter-Sensoren und Verfahren zur Meßwertbestimmung in einer solchen
US6351987B1 (en) 2000-04-13 2002-03-05 Cidra Corporation Fiber optic pressure sensor for DC pressure and temperature
US6601671B1 (en) 2000-07-10 2003-08-05 Weatherford/Lamb, Inc. Method and apparatus for seismically surveying an earth formation in relation to a borehole
US6782150B2 (en) * 2000-11-29 2004-08-24 Weatherford/Lamb, Inc. Apparatus for sensing fluid in a pipe
US6785004B2 (en) * 2000-11-29 2004-08-31 Weatherford/Lamb, Inc. Method and apparatus for interrogating fiber optic sensors
GB0031646D0 (en) * 2000-12-22 2001-02-07 European Community Method and apparatus for crack and fracture detection utilizing bragg gratings
US6659640B2 (en) * 2001-04-26 2003-12-09 The United States Of America As Represented By The Secretary Of The Navy Fiber optic temperature measurement system and method
ATE325358T1 (de) * 2001-11-02 2006-06-15 Aston Photonic Tech Ltd Optischer sensor mit fasergittern für zwei messgrössen
US6698297B2 (en) 2002-06-28 2004-03-02 Weatherford/Lamb, Inc. Venturi augmented flow meter
US7059172B2 (en) * 2001-11-07 2006-06-13 Weatherford/Lamb, Inc. Phase flow measurement in pipes using a density meter
US6971259B2 (en) 2001-11-07 2005-12-06 Weatherford/Lamb, Inc. Fluid density measurement in pipes using acoustic pressures
US6724963B2 (en) * 2001-12-17 2004-04-20 Ceramoptec Industries, Inc. Method and apparatus for manufacturing partially diffusing optical fibers
US7324011B2 (en) * 2004-04-14 2008-01-29 Battelle Energy Alliance, Llc Method and system for pipeline communication
US7334485B2 (en) * 2002-02-11 2008-02-26 Battelle Energy Alliance, Llc System, method and computer-readable medium for locating physical phenomena
AU2003255235A1 (en) * 2002-08-08 2004-02-25 Cidra Corporation Apparatus and method for measuring multi-phase flows in pulp and paper industry applications
WO2004036700A2 (en) * 2002-10-15 2004-04-29 Micron Optics, Inc. Waferless fiber fabry-perot filters
WO2004059357A1 (en) * 2002-12-20 2004-07-15 Micron Optics, Inc. Temperature compensated ferrule holder for a fiber fabry-perot filter
US6986276B2 (en) * 2003-03-07 2006-01-17 Weatherford/Lamb, Inc. Deployable mandrel for downhole measurements
US6837098B2 (en) 2003-03-19 2005-01-04 Weatherford/Lamb, Inc. Sand monitoring within wells using acoustic arrays
US6840114B2 (en) * 2003-05-19 2005-01-11 Weatherford/Lamb, Inc. Housing on the exterior of a well casing for optical fiber sensors
US6957574B2 (en) * 2003-05-19 2005-10-25 Weatherford/Lamb, Inc. Well integrity monitoring system
US20080264182A1 (en) * 2003-08-22 2008-10-30 Jones Richard T Flow meter using sensitive differential pressure measurement
US6910388B2 (en) * 2003-08-22 2005-06-28 Weatherford/Lamb, Inc. Flow meter using an expanded tube section and sensitive differential pressure measurement
GB2407377B (en) * 2003-10-16 2006-04-19 Kidde Ip Holdings Ltd Fibre bragg grating sensors
US6874361B1 (en) 2004-01-08 2005-04-05 Halliburton Energy Services, Inc. Distributed flow properties wellbore measurement system
US7127132B1 (en) 2004-03-08 2006-10-24 Ifos, Inc. Cascade fiber-optic grating-based sensor apparatus and method
US7480056B2 (en) * 2004-06-04 2009-01-20 Optoplan As Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
US7109471B2 (en) * 2004-06-04 2006-09-19 Weatherford/Lamb, Inc. Optical wavelength determination using multiple measurable features
US7781724B2 (en) 2004-07-16 2010-08-24 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto
DE102005056225B4 (de) * 2005-11-25 2008-12-18 Petter, Jürgen Elektro-optischer Sensor und Verfahren zur Bestimmung physikalischer Eigenschaften einer Zielsubstanz über deren Brechungsindex
US7503217B2 (en) * 2006-01-27 2009-03-17 Weatherford/Lamb, Inc. Sonar sand detection
US8989528B2 (en) 2006-02-22 2015-03-24 Hansen Medical, Inc. Optical fiber grating sensors and methods of manufacture
US20070265503A1 (en) * 2006-03-22 2007-11-15 Hansen Medical, Inc. Fiber optic instrument sensing system
US9186046B2 (en) 2007-08-14 2015-11-17 Koninklijke Philips Electronics N.V. Robotic instrument systems and methods utilizing optical fiber sensor
US20080218770A1 (en) * 2007-02-02 2008-09-11 Hansen Medical, Inc. Robotic surgical instrument and methods using bragg fiber sensors
US8050523B2 (en) 2007-04-20 2011-11-01 Koninklijke Philips Electronics N.V. Optical fiber shape sensing systems
US8120759B2 (en) 2008-03-31 2012-02-21 Vestas Wind Systems A/S Optical transmission strain sensor for wind turbines
GB2461532A (en) * 2008-07-01 2010-01-06 Vestas Wind Sys As Sensor system and method for detecting deformation in a wind turbine component
GB2461566A (en) * 2008-07-03 2010-01-06 Vestas Wind Sys As Embedded fibre optic sensor for mounting on wind turbine components and method of producing the same.
GB2463696A (en) * 2008-09-22 2010-03-24 Vestas Wind Sys As Edge-wise bending insensitive strain sensor system
WO2010034321A1 (en) * 2008-09-23 2010-04-01 Voith Patent Gmbh Industrial roll with optical roll cover sensor system
GB2466433B (en) 2008-12-16 2011-05-25 Vestas Wind Sys As Turbulence sensor and blade condition sensor system
EP2202472A1 (de) * 2008-12-29 2010-06-30 Ludwig-Maximilians-Universität München Gefriertrockner-Überwachungsvorrichtung
US8780339B2 (en) 2009-07-15 2014-07-15 Koninklijke Philips N.V. Fiber shape sensing systems and methods
GB2472437A (en) 2009-08-06 2011-02-09 Vestas Wind Sys As Wind turbine rotor blade control based on detecting turbulence
FR2949572B1 (fr) * 2009-08-31 2012-09-21 Kloe S A Dispositif et procede de mesure a fibre optique
WO2011033649A1 (ja) * 2009-09-18 2011-03-24 公立大学法人高知工科大学 複数のセンシング領域を有する分布型光ファイバーセンサー装置
GB0919906D0 (en) 2009-11-13 2009-12-30 Qinetiq Ltd Improvements to distributed fibre optic sensing
GB0919899D0 (en) 2009-11-13 2009-12-30 Qinetiq Ltd Fibre optic distributed sensing
GB2477529A (en) 2010-02-04 2011-08-10 Vestas Wind Sys As A wind turbine optical wind sensor for determining wind speed and direction
US8477296B2 (en) * 2010-04-12 2013-07-02 University of Maribor Opto-electronic signal processing methods, systems, and apparatus for optical sensor interrogation
CA2740372C (en) 2010-06-01 2019-07-02 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Canada Method and system for measuring a parameter in a high temperature environment using an optical sensor
US9314306B2 (en) 2010-09-17 2016-04-19 Hansen Medical, Inc. Systems and methods for manipulating an elongate member
US20120191086A1 (en) 2011-01-20 2012-07-26 Hansen Medical, Inc. System and method for endoluminal and translumenal therapy
US9138166B2 (en) 2011-07-29 2015-09-22 Hansen Medical, Inc. Apparatus and methods for fiber integration and registration
CN104011508B (zh) * 2011-12-20 2016-11-02 洛桑联邦理工学院 基于布拉格光栅和光学时域反射计的光纤传感系统
CN104508422B (zh) * 2012-05-30 2019-05-21 赛创尼克株式会社 监视海洋结构物的物理变化的系统及方法
US9228890B2 (en) * 2012-06-01 2016-01-05 Fujikura Ltd. Method of measuring acoustic distribution and distributed acoustic sensor
US9297691B2 (en) * 2012-11-09 2016-03-29 University Of Houston System Dynamic fiber bragg grating interrogation system and method
US9575209B2 (en) 2012-12-22 2017-02-21 Halliburton Energy Services, Inc. Remote sensing methods and systems using nonlinear light conversion and sense signal transformation
US9091785B2 (en) 2013-01-08 2015-07-28 Halliburton Energy Services, Inc. Fiberoptic systems and methods for formation monitoring
US10241229B2 (en) 2013-02-01 2019-03-26 Halliburton Energy Services, Inc. Distributed feedback fiber laser strain sensor systems and methods for subsurface EM field monitoring
US9410422B2 (en) 2013-09-13 2016-08-09 Chevron U.S.A. Inc. Alternative gauging system for production well testing and related methods
CA2939361A1 (en) 2014-02-28 2015-09-03 Halliburton Energy Services, Inc. Optical electric field sensors having passivated electrodes
CA2950091C (en) 2014-08-25 2019-10-15 Halliburton Energy Services, Inc. Hybrid fiber optic cable for distributed sensing
WO2016085511A1 (en) 2014-11-26 2016-06-02 Halliburton Energy Services, Inc. Onshore electromagnetic reservoir monitoring
GB201503861D0 (en) 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
US9651706B2 (en) 2015-05-14 2017-05-16 Halliburton Energy Services, Inc. Fiberoptic tuned-induction sensors for downhole use
WO2017014773A1 (en) 2015-07-22 2017-01-26 Halliburton Energy Services, Inc. Electromagnetic monitoring with formation-matched resonant induction sensors
US9958605B2 (en) * 2015-12-01 2018-05-01 Rhode Island Board Of Education, State Of Rhode Island And Providence Plantations Weak reflection terahertz fiber optic devices for distributed sensing applications
US10267694B2 (en) * 2016-01-15 2019-04-23 The United States Of America As Represented By The Administrator Of Nasa Micrometeoroid and orbital debris impact detection and location using fiber optic strain sensing
US20230066407A1 (en) * 2021-08-27 2023-03-02 Goodrich Corporation Integrated ice protection with prognostics and health management

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458257A (en) * 1964-10-08 1969-07-29 Timothy R Pryor Method and apparatus for detecting spatial relationships and for determining properties derived therefrom
US4268116A (en) * 1979-10-26 1981-05-19 Optelecom Incorporated Method and apparatus for radiant energy modulation in optical fibers
US4577100A (en) * 1983-12-27 1986-03-18 United Technologies Corporation Temperature compensated optical pressure sensor
US4653906A (en) * 1984-08-13 1987-03-31 United Technologies Corporation Spatially resolving fiber-optic crosstalk strain sensor
US4806012A (en) * 1984-08-13 1989-02-21 United Technologies Corporation Distributed, spatially resolving optical fiber strain gauge
DE3587641T2 (de) * 1984-08-13 1994-02-17 United Technologies Corp Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser.
US4761073A (en) * 1984-08-13 1988-08-02 United Technologies Corporation Distributed, spatially resolving optical fiber strain gauge
US4717253A (en) * 1985-11-22 1988-01-05 Massachusetts Institute Of Technology Optical strain gauge
FR2593604B1 (fr) * 1986-01-30 1988-03-11 Comp Generale Electricite Procede et dispositif pour mesurer a distance la distribution d'un parametre physico-chimique dans un milieu
US4692610A (en) * 1986-01-30 1987-09-08 Grumman Aerospace Corporation Fiber optic aircraft load relief control system
GB2202046A (en) * 1987-03-11 1988-09-14 Plessey Co Plc Optical fibre sensor arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061147A1 (de) * 2000-11-30 2002-06-13 Univ Dresden Tech Anordnung zur Bestimmung der Reflexionswellenlänge von Faser-Bragg-Gittern
DE10061147C2 (de) * 2000-11-30 2002-10-24 Univ Dresden Tech Anordnung zur Bestimmung der Reflexionswellenlänge von Faser-Bragg-Gittern

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EP0438757A3 (en) 1991-08-28
EP0438757A2 (de) 1991-07-31
EP0438757B1 (de) 1995-03-08
JPH04279832A (ja) 1992-10-05
JP3002268B2 (ja) 2000-01-24
US4996419A (en) 1991-02-26
DE69017647D1 (de) 1995-04-13

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