FI955511A - Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta - Google Patents

Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta Download PDF

Info

Publication number
FI955511A
FI955511A FI955511A FI955511A FI955511A FI 955511 A FI955511 A FI 955511A FI 955511 A FI955511 A FI 955511A FI 955511 A FI955511 A FI 955511A FI 955511 A FI955511 A FI 955511A
Authority
FI
Finland
Prior art keywords
detecting
physical quantities
measuring physical
scattered sensor
scattered
Prior art date
Application number
FI955511A
Other languages
English (en)
Swedish (sv)
Other versions
FI955511A0 (fi
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 FI955511A0 publication Critical patent/FI955511A0/fi
Publication of FI955511A publication Critical patent/FI955511A/fi

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
FI955511A 1994-11-17 1995-11-15 Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta FI955511A (fi)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FI955511A0 FI955511A0 (fi) 1995-11-15
FI955511A true FI955511A (fi) 1996-05-18

Family

ID=26231541

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955511A FI955511A (fi) 1994-11-17 1995-11-15 Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta

Country Status (9)

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

Families Citing this family (75)

* 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
EP1627604A1 (en) * 1998-03-05 2006-02-22 Gil M. Vardi Optical-acoustic imaging device
EP1059878B1 (en) 1998-03-05 2005-11-09 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.
US6452667B1 (en) 1998-12-04 2002-09-17 Weatherford/Lamb Inc. Pressure-isolated bragg grating temperature sensor
US6422084B1 (en) 1998-12-04 2002-07-23 Weatherford/Lamb, Inc. Bragg grating pressure sensor
CN1334929A (zh) 1998-12-04 2002-02-06 塞德拉公司 管封装的光纤光栅
BR9915956B1 (pt) 1998-12-04 2011-10-18 sensor de pressão, e, método para sensoriar pressão.
US6490931B1 (en) 1998-12-04 2002-12-10 Weatherford/Lamb, Inc. Fused tension-based fiber grating pressure sensor
US6298184B1 (en) 1998-12-04 2001-10-02 Cidra Corporation Method and apparatus for forming a tube-encased bragg grating
US6229827B1 (en) 1998-12-04 2001-05-08 Cidra Corporation Compression-tuned bragg grating and laser
US6278811B1 (en) 1998-12-04 2001-08-21 Arthur D. Hay Fiber optic 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
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
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
CA2584376C (en) * 2004-10-15 2012-10-02 Morgan Research Corporation Embeddable polarimetric fiber optic sensor and method for monitoring of structures
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
WO2010039950A1 (en) 2008-10-02 2010-04-08 Eberle Michael J 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
US9267854B2 (en) * 2010-09-20 2016-02-23 Indian Institue 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
BR112014005049A2 (pt) * 2011-09-09 2017-06-13 Koninklijke Philips Nv dispositivo para monitoramento óptico para o monitoramento de curvatura ao longo de um instrumento médico flexível, instrumento médico flexível e método para o monitoramento de curvatura ao longo de um instrumento médico flexível
EP2795260B1 (en) 2011-12-20 2017-03-08 Ecole Polytechnique Fédérale de Lausanne (EPFL) Fiber sensing system based on a bragg grating and optical time domain reflectometry
JP2013156163A (ja) * 2012-01-30 2013-08-15 Olympus Corp 光学式センサ
CN110435812A (zh) * 2012-05-30 2019-11-12 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
CN105683730B (zh) * 2013-10-25 2019-01-11 光纳株式会社 光纤式生物体诊断用传感器系统及血管插入式分布压力测定装置
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
WO2020005077A1 (en) * 2018-06-27 2020-01-02 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
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
KR960018538A (ko) 1996-06-17
JPH08240451A (ja) 1996-09-17
FI955511A0 (fi) 1995-11-15
EP0713077B1 (fr) 1999-12-15
DE69513937D1 (de) 2000-01-20
US5684297A (en) 1997-11-04
EP0713077A1 (fr) 1996-05-22
DK0713077T3 (da) 2000-06-13
DE69513937T2 (de) 2000-07-20
BR9505199A (pt) 1997-09-16
CN1183548A (zh) 1998-06-03

Similar Documents

Publication Publication Date Title
FI955511A (fi) Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta
FI98410B (fi) Kaasuseosten analysointiin käytettävä mittausanturi ja mittausjärjestely
FI102453B1 (fi) Parannettu mittausanturi ja järjestelmä kaasun virtausmittausta varten
EE200000008A (et) Meetod ja seade signaali taseme ja hilistumise mõõtmiseks paljudel sensoritel
DE69523649D1 (de) Austauschbarer auf mehrere Messgrössen empfindlicher Wirbelsensor
DE69733988D1 (de) Verwendung eines Sensors zur Messung der Stickstoffoxidkonzentration
FI885292A0 (fi) Anturi paine-eron mittaamiseksi
FI962729A (fi) Mittausanturi ja järjestelmä kaasun virtausmittausta varten
FI91021C (fi) Laite kaasujen tunnistamiseksi ja pitoisuuden mittaamiseksi sekä menetelmä kaasujen tunnistamiseksi
DE3650514T2 (de) Ultraschallabstandssensor und Überwachung des Oberflächenprofils unter Verwendung eines solchen Sensors
FI946049A (fi) Menetelmä virtausnopeusanturin linearisoimiseksi sekä linearisoitu virtauksen nopeuden mittauslaitteisto
DE69121909D1 (de) Sensor zur Abtastung der Position
FI901476A0 (fi) Mittalaite telalaakerin kuormituksen toteamiseksi
FI940589A (fi) Kapasitiivinen absoluuttisen paineen mittausilmaisin ja menetelmä useiden tällaisten ilmaisimien valmistamiseksi
FI101905B1 (fi) Menetelmä ja anturi kastepisteen mittaamiseksi
GB2123965B (en) A cannular sensor and a method of measuring polarographic po2 using the sensor
ITMI942466A0 (it) Sistema e relativa apparecchiatura per la taratura di un sensore per la misurazione dell'umidita' di materiali in fogli nastri o film
DE69232697T2 (de) Sensor und methode zur messung ausgewählter bestandteile eines materials
DE58902141D1 (de) Messonde zur erfassung niedriger stroemungsgeschwindigkeiten in einem rohrabschnitt.
DE69002532D1 (de) Anordnung und verfahren zur messung mit faseroptischen sensoren und dazugehoeriger sensor.
FI915285A (fi) Menetelmä näytteiden mittaamiseksi nestetuikelaskimella ja nestetuikelaskin
FI906057A0 (fi) Menetelmä ja anturi matalien ilmanpaineiden mittaamiseen
SE9404134L (sv) Förfarande och analysapparat för att väsentligen kontinuerligt bestämma förändringarna i mängd och lokalitet av vätska i ett levande väsens lungor
CS45491A3 (en) Method of detecting and measuring concentrations ofcholinesterase-inhibiting compounds by means of biological sensors and abiological sensor
FR2727201B1 (fr) Procede de detection et/ou de mesure de grandeurs physiques utilisant un capteur distribue