BR9505199A - Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado - Google Patents

Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado

Info

Publication number
BR9505199A
BR9505199A BR9505199A BR9505199A BR9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A
Authority
BR
Brazil
Prior art keywords
aid
variations
distributed
detection
physical quantity
Prior art date
Application number
BR9505199A
Other languages
English (en)
Inventor
Andre Tardy
Original Assignee
Alcatel Cable
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
Priority claimed from FR9413768A external-priority patent/FR2727201B1/fr
Application filed by Alcatel Cable filed Critical Alcatel Cable
Publication of BR9505199A publication Critical patent/BR9505199A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317—Light guides of the optical fibre type
    • G02B6/29319—With a cascade of diffractive elements or of diffraction operations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Transform (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measuring Fluid Pressure (AREA)
  • Length Measuring Devices By Optical Means (AREA)
BR9505199A 1994-11-17 1995-11-16 Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado BR9505199A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9413767 1994-11-17
FR9413768A FR2727201B1 (fr) 1994-11-17 1994-11-17 Procede de detection et/ou de mesure de grandeurs physiques utilisant un capteur distribue

Publications (1)

Publication Number Publication Date
BR9505199A true BR9505199A (pt) 1997-09-16

Family

ID=26231541

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9505199A BR9505199A (pt) 1994-11-17 1995-11-16 Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado

Country Status (9)

Country Link
US (1) US5684297A (pt)
EP (1) EP0713077B1 (pt)
JP (1) JPH08240451A (pt)
KR (1) KR960018538A (pt)
CN (1) CN1183548A (pt)
BR (1) BR9505199A (pt)
DE (1) DE69513937T2 (pt)
DK (1) DK0713077T3 (pt)
FI (1) FI955511A (pt)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5646401A (en) * 1995-12-22 1997-07-08 Udd; Eric Fiber optic grating and etalon sensor systems
GB9526582D0 (en) * 1995-12-28 1996-02-28 Bicc Plc Optical line system
JPH09265018A (ja) * 1996-03-27 1997-10-07 Nec Corp 分岐合波光導波路回路
JP3402083B2 (ja) * 1996-08-05 2003-04-28 Ｋｄｄｉ株式会社 光ファイバ線路の障害位置検出装置
KR100206176B1 (ko) 1996-12-03 1999-07-01 윤종용 광감쇠기및그제조방법
IT1293631B1 (it) * 1997-07-18 1999-03-08 Fiat Ricerche Sistema per controllare lo stato di sollecitazione di bombole ad alta pressione, particolarmente bombole di gas metano per autoveicoli.
US6016702A (en) * 1997-09-08 2000-01-25 Cidra Corporation High sensitivity fiber optic pressure sensor for use in harsh environments
NO307314B1 (no) * 1997-12-05 2000-03-13 Optoplan As Anordning for registrering av boyebelastning
US6151336A (en) 1998-02-11 2000-11-21 Sorrento Networks, Inc. Time division multiplexing expansion subsystem
DE19808222A1 (de) * 1998-02-27 1999-09-02 Abb Research Ltd Faser-Bragg-Gitter Drucksensor mit integrierbarem Faser-Bragg-Gitter Temperatursensor
AU5948499A (en) 1998-03-05 1999-11-29 Victor Spivak Optical-acoustic imaging device
EP1627604A1 (en) * 1998-03-05 2006-02-22 Gil M. Vardi Optical-acoustic imaging device
US6400478B1 (en) 1998-04-02 2002-06-04 Sorrento Networks, Inc. Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber
ES2146540B1 (es) * 1998-06-12 2001-03-01 Carrillo Sebastian Diaz Procedimiento para la medida de la longitud de onda luminosa reflejada por una o varias redes de difraccion de bragg en el nucleo de una fibra optica y su aplicacion a la medida de deformacion y/o temperatura.
US6298103B1 (en) 1998-06-16 2001-10-02 Sorrento Networks Corporation Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates
US6330257B1 (en) 1998-08-06 2001-12-11 Sdl, Inc. Polarization-insensitive laser stabilization using multiple waveguide gratings
US6522797B1 (en) 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor 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.
US6278811B1 (en) 1998-12-04 2001-08-21 Arthur D. Hay Fiber optic bragg grating pressure sensor
AU3111900A (en) 1998-12-04 2000-06-19 Cidra Corporation Pressure-isolated bragg grating temperature sensor
AU756444B2 (en) 1998-12-04 2003-01-16 Weatherford Technology Holdings, Llc Bragg grating pressure sensor
US6298184B1 (en) 1998-12-04 2001-10-02 Cidra Corporation Method and apparatus for forming a tube-encased bragg grating
AU775187B2 (en) 1998-12-04 2004-07-22 Cidra Corporation Compression-tuned bragg grating and laser
KR20010080687A (ko) 1998-12-04 2001-08-22 추후제출 관으로 싸인 섬유 격자
US6490931B1 (en) 1998-12-04 2002-12-10 Weatherford/Lamb, Inc. Fused tension-based fiber grating pressure sensor
EP1137920B1 (en) 1998-12-04 2005-02-16 Weatherford/Lamb, Inc. Bragg grating pressure sensor
US6249624B1 (en) 1998-12-04 2001-06-19 Cidra Corporation Method and apparatus for forming a Bragg grating with high intensity light
US6271766B1 (en) 1998-12-23 2001-08-07 Cidra Corporation Distributed selectable latent fiber optic sensors
DE19860409A1 (de) 1998-12-28 2000-06-29 Abb Research Ltd Faser-Bragg-Gitter Sensor zur Messung differentieller Drücke und von Strömungsgeschwindigkeiten
US6494617B1 (en) 1999-04-30 2002-12-17 General Electric Company Status detection apparatus and method for fluid-filled electrical equipment
KR100329042B1 (ko) * 1999-08-03 2002-03-18 윤덕용 광섬유 구조물 변형 감지시스템
US6314214B1 (en) 1999-09-28 2001-11-06 Corning Incorporated System and method for measuring stress during processing of an optical fiber
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
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
US6439055B1 (en) 1999-11-15 2002-08-27 Weatherford/Lamb, Inc. Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments
US6626043B1 (en) 2000-01-31 2003-09-30 Weatherford/Lamb, Inc. Fluid diffusion resistant glass-encased fiber optic sensor
JP3316204B2 (ja) * 2000-04-28 2002-08-19 株式会社オーシーシー 光ファイバグレーティング測定装置および光ファイバグレーティング測定方法
DE10052631C1 (de) * 2000-10-24 2002-04-04 Bosch Gmbh Robert Vorrichtung zur Prüfung von einem durch Anlegen eines elektrischen und/oder magnetischen Feldes formändernden Material
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
US6947637B2 (en) * 2001-08-09 2005-09-20 Corning Incorporated Measurement of fiber strain during processing
KR100429504B1 (ko) * 2002-02-08 2004-05-03 삼성전자주식회사 편광유지 광섬유 격자를 이용한 센서
KR100470911B1 (ko) * 2002-06-05 2005-02-21 주식회사 아이세스 광섬유 브래그 그레이팅 센서 시스템
US7245789B2 (en) 2002-10-07 2007-07-17 Vascular Imaging Corporation Systems and methods for minimally-invasive optical-acoustic imaging
US7119325B2 (en) * 2003-01-27 2006-10-10 Bookham Technology Plc System and method for monitoring environmental effects using optical sensors
US7488929B2 (en) * 2003-08-13 2009-02-10 Zygo Corporation Perimeter detection using fiber optic sensors
CN101087989B (zh) * 2004-10-15 2011-06-08 摩根研究股份有限公司 可嵌入的偏振光纤传感器及监测结构的方法
CN1316227C (zh) * 2005-09-30 2007-05-16 大连理工大学 一种光纤光栅位移传感器
US7599588B2 (en) 2005-11-22 2009-10-06 Vascular Imaging Corporation Optical imaging probe connector
US20090204009A1 (en) * 2008-02-07 2009-08-13 Los Alamos National Security Medical device system and related methods for diagnosing abnormal medical conditions based on in-vivo optical properties of tissue
EP2356412B1 (en) 2008-10-02 2012-08-15 Vascular Imaging Corporation Optical ultrasound receiver
FR2953943B1 (fr) * 2010-01-11 2013-04-05 Terre Armee Int Bande souple comprenant au moins une fibre optique pour effectuer des mesures de deformation et/ou de temperature
WO2012038784A1 (en) * 2010-09-20 2012-03-29 Indian Institute Of Science Strain and temperature discrimination using fiber bragg gratings in a cross-wire configuration
GB2485808A (en) * 2010-11-24 2012-05-30 Vestas Wind Sys As Long fibre Bragg grating sensor in a wind turbine
US20130027030A1 (en) * 2011-07-27 2013-01-31 Michael Twerdochlib Fiber optic magnetic flux sensor for application in high voltage generator stator bars
WO2013035010A1 (en) * 2011-09-09 2013-03-14 Koninklijke Philips Electronics N.V. Optical monitoring device for monitoring curvature of a flexible medical instrument
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
JP2013156163A (ja) * 2012-01-30 2013-08-15 Olympus Corp 光学式センサ
CN110422272A (zh) * 2012-05-30 2019-11-08 赛创尼克株式会社 通过对海洋结构物的实时测量监视的控制方法
KR101815006B1 (ko) 2013-05-13 2018-01-09 삼성전자주식회사 광 도파로를 이용한 벤딩 및 접촉 측정 장치 및 방법
JP6190467B2 (ja) * 2013-10-25 2017-08-30 ニューブレクス株式会社 光ファイバ式生体診断用センサシステム及び血管挿入式分布圧力測定装置
DE102013222056A1 (de) * 2013-10-30 2015-04-30 Alstom Technology Ltd. Elektrischer Transformator oder elektrische Drosselspule und Verfahren zum Betreiben des elektrischen Transformators oder der elektrischen Drosselspule
CN104977070A (zh) * 2014-04-10 2015-10-14 湖南三德科技股份有限公司 一种料场重量检测方法及系统
CN103994785B (zh) * 2014-05-29 2016-08-31 武汉理工大学 一种基于弱光纤光栅阵列的传感监测装置和传感方法
US9400269B2 (en) * 2014-09-22 2016-07-26 The Royal Institution For The Advancement Of Learning/Mcgill University Systems for detecting target chemicals and methods for their preparation and use
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
US20170010385A1 (en) * 2015-07-08 2017-01-12 Schlumberger Technology Corporation Fiber optic array having densely spaced, weak reflectors
KR102372335B1 (ko) * 2015-07-27 2022-03-08 삼성디스플레이 주식회사 가요성 표시 장치 및 그 구동 방법
NL2019167B1 (en) 2017-07-04 2019-01-14 Compass Instr Ci B V Optical fiber sensing device for sensing the distribution of the compression or deformation of a compressible or deformable element
BR102018011823A2 (pt) * 2018-06-11 2019-12-24 Faculdades Catolicas conjunto e método para medição da vazão de fluido em tubulações
US20210215555A1 (en) * 2018-06-27 2021-07-15 Victoria Link Limited Optical fibre sensing system and method
CN110440837B (zh) * 2019-08-19 2021-10-15 武汉地震工程研究院有限公司 一种多参量光纤同步传感采集仪和传感采集方法
CN110440838B (zh) * 2019-08-19 2021-09-21 武汉地震工程研究院有限公司 一种基于多芯光纤的多参量光纤传感仪器和传感方法
CN111238680B (zh) * 2020-01-20 2021-05-25 上海波汇科技有限公司 双宽度脉冲光纤分布式拉曼测温空间分辨率提升方法
CN114942238A (zh) * 2022-03-24 2022-08-26 上海理工大学 基于智能光纤的固体浮力材料测试方法
CN115014763B (zh) * 2022-05-07 2023-08-29 武汉理工大学 用于主轴故障监测的光纤光栅测量系统及优化方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US474A (en) * 1837-11-23 Improvement in reaction water-wheels
GB268581A (en) * 1926-05-29 1927-04-07 Henry Arthur Thompson Improvements in or relating to hinges for casement windows or the like
US4761073A (en) * 1984-08-13 1988-08-02 United Technologies Corporation Distributed, spatially resolving optical fiber strain gauge
GB2209212A (en) * 1987-09-01 1989-05-04 Plessey Co Plc Optical sensing systems
US4996419A (en) 1989-12-26 1991-02-26 United Technologies Corporation Distributed multiplexed optical fiber Bragg grating sensor arrangeement
US5319435A (en) * 1991-09-04 1994-06-07 Melle Serge M Method and apparatus for measuring the wavelength of spectrally narrow optical signals
GB2268581A (en) * 1992-07-03 1994-01-12 Marconi Gec Ltd Optical fibre diffraction grating sensor
US5513913A (en) * 1993-01-29 1996-05-07 United Technologies Corporation Active multipoint fiber laser sensor
US5493113A (en) * 1994-11-29 1996-02-20 United Technologies Corporation Highly sensitive optical fiber cavity coating removal detection
US5563967A (en) * 1995-06-07 1996-10-08 Mcdonnell Douglas Corporation Fiber optic sensor having a multicore optical fiber and an associated sensing method

Also Published As

Publication number Publication date
FI955511A0 (fi) 1995-11-15
DE69513937T2 (de) 2000-07-20
CN1183548A (zh) 1998-06-03
KR960018538A (ko) 1996-06-17
DE69513937D1 (de) 2000-01-20
JPH08240451A (ja) 1996-09-17
DK0713077T3 (da) 2000-06-13
FI955511A (fi) 1996-05-18
US5684297A (en) 1997-11-04
EP0713077A1 (fr) 1996-05-22
EP0713077B1 (fr) 1999-12-15

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FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law