IL90679A0 - Optical fibre sensors and methods for sensing - Google Patents

Optical fibre sensors and methods for sensing

Info

Publication number
IL90679A0
IL90679A0 IL90679A IL9067989A IL90679A0 IL 90679 A0 IL90679 A0 IL 90679A0 IL 90679 A IL90679 A IL 90679A IL 9067989 A IL9067989 A IL 9067989A IL 90679 A0 IL90679 A0 IL 90679A0
Authority
IL
Israel
Prior art keywords
sensing
methods
optical fibre
fibre sensors
sensors
Prior art date
Application number
IL90679A
Other languages
English (en)
Original Assignee
Simmonds Precision Products
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 Simmonds Precision Products filed Critical Simmonds Precision Products
Publication of IL90679A0 publication Critical patent/IL90679A0/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • 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
    • G01D5/35338—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 other arrangements than interferometer arrangements
    • G01D5/35341—Sensor working in transmission
    • G01D5/35351—Sensor working in transmission using other means to detect the measured quantity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
IL90679A 1988-08-31 1989-06-20 Optical fibre sensors and methods for sensing IL90679A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/238,668 US4863270A (en) 1988-08-31 1988-08-31 Multi-mode optical fiber sensor and method

Publications (1)

Publication Number Publication Date
IL90679A0 true IL90679A0 (en) 1990-01-18

Family

ID=22898840

Family Applications (1)

Application Number Title Priority Date Filing Date
IL90679A IL90679A0 (en) 1988-08-31 1989-06-20 Optical fibre sensors and methods for sensing

Country Status (4)

Country Link
US (1) US4863270A (fr)
EP (1) EP0359360A3 (fr)
JP (1) JPH0283402A (fr)
IL (1) IL90679A0 (fr)

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US5144689A (en) * 1991-07-30 1992-09-01 Fiber Sensys, Inc. Multimode fiber sensor system with sensor fiber coupled to a detection fiber by spacer means
US5343035A (en) * 1992-12-21 1994-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Strain sensor comprising a strain sensitive, two-mode optical
US5381257A (en) * 1993-02-01 1995-01-10 United Technologies Corporation Simultaneous data communication and fiber perturbation detection system
US5600133A (en) * 1993-03-22 1997-02-04 Simmonds Precision Products, Inc. Structural analyzer using acousto-optic sensor
EP0637747A3 (fr) * 1993-07-19 1995-11-02 Simmonds Precision Products Analyse des structures utilisant un conduit unidirectionel des ondes acoustics.
US6498654B1 (en) 1999-06-11 2002-12-24 Harco Laboratories, Inc. Optical proximity detector
EP1221581A1 (fr) * 2001-01-04 2002-07-10 Universität Stuttgart Interféromètre
US20090027038A1 (en) * 2002-10-23 2009-01-29 Elsa Garmire Systems And Methods That Detect Changes In Incident Optical Radiation
WO2004038325A2 (fr) * 2002-10-23 2004-05-06 The Trustees Of Darmouth College Systemes et procedes pour detecter des variations dans un rayonnement optique incident
US20070041729A1 (en) * 2002-10-23 2007-02-22 Philip Heinz Systems and methods for detecting changes in incident optical radiation at high frequencies
EP1576344A4 (fr) 2002-11-18 2009-10-28 William B Spillman Jr Systeme, dispositif, et procede de detection de perturbations
US20050174648A1 (en) * 2003-06-24 2005-08-11 Pace Control Systems Inc Optical sensor for measuring characteristics and properties of strands
US20060140634A1 (en) * 2004-12-28 2006-06-29 Robert Dell LED security device and system
US7196317B1 (en) 2005-03-25 2007-03-27 Virginia Tech Intellectual Properties, Inc. System, device, and method for detecting perturbations
CN1924536B (zh) * 2005-09-02 2010-04-28 鸿富锦精密工业（深圳）有限公司 振动测量及监控系统
CN100373133C (zh) * 2005-09-26 2008-03-05 山东省科学院激光研究所 多模光纤光栅传感系统
US20080291460A1 (en) * 2005-12-28 2008-11-27 Arkady Khatchaturov Opto-Electronic System and Method for Detecting Perturbations
WO2009046465A2 (fr) * 2007-09-30 2009-04-09 Nedsis Bv Dispositif de détection de fibre optique
CN101177912B (zh) * 2007-11-29 2010-11-03 吉林大学 粘胶长丝根数单丝直径检测仪
US9391216B2 (en) * 2008-06-06 2016-07-12 Orbital Atk, Inc. Optical coupled sensors for harsh environments
US9954609B2 (en) * 2012-12-31 2018-04-24 Network Integrity Systems Inc. Alarm system for an optical network
US9091834B2 (en) * 2013-02-01 2015-07-28 Halliburton Energy Services, Inc. Fiber splice housing with temperature compensation
CN103884416B (zh) * 2014-03-10 2016-10-05 杭州电子科技大学 一种超声波声学系统输出端振幅测量装置及方法
EP3172545B1 (fr) * 2014-07-25 2018-09-12 Université de Mons Senseur thermique
CN106793878B (zh) 2014-09-30 2018-07-06 深圳市大耳马科技有限公司 姿态和生命体征监测系统及方法
CN106477070B (zh) * 2015-10-14 2019-03-01 北京信息科技大学 一种基于光栅光纤传感器的机翼外载荷实时监测方法
ES2629521B1 (es) * 2015-12-23 2018-07-04 Universidad De Valladolid Blindaje antirradar con tecnología Stealth con sistema óptico de detección de daños
CO2019002303A1 (es) * 2019-03-12 2019-03-18 Hutek Inc Sas Método y dispositivo para la detección de vibraciones en la periferia de una fibra óptica
DE102020109859B3 (de) * 2020-04-08 2021-01-28 Balluff Gmbh Verfahren und System zum Ermitteln mindestens eines physikalischen Wertes
US11371843B2 (en) * 2020-07-02 2022-06-28 Anello Photonics, Inc. Integration of photonics optical gyroscopes with micro-electro-mechanical sensors
CN113029214B (zh) * 2021-04-16 2022-05-06 中山大学 基于多环芯光纤的散斑传感系统及散斑识别方法
CN113390500B (zh) * 2021-05-19 2022-12-06 中国三峡新能源(集团)股份有限公司 一种振动位移量测量系统、方法、设备及存储介质
CN115144369A (zh) * 2022-07-01 2022-10-04 天津工业大学 一种基于错位多模光纤散斑图的折射率传感器

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US3327584A (en) * 1963-09-09 1967-06-27 Mechanical Tech Inc Fiber optic proximity probe
US3961898A (en) * 1975-01-14 1976-06-08 The United States Of America As Represented By The Secretary Of The Army Comparator circuit for automatic analysis apparatus
US4297684A (en) * 1979-03-26 1981-10-27 Honeywell Inc. Fiber optic intruder alarm system
GB2057120B (en) * 1979-08-23 1983-05-25 Standard Telephones Cables Ltd Fibre optic transducer
US4367460A (en) * 1979-10-17 1983-01-04 Henri Hodara Intrusion sensor using optic fiber
DE3016104A1 (de) * 1980-04-25 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Sensorvorrichtung mit einer als empfindliches element dienenden lichtleitfaser
US4515479A (en) * 1980-07-29 1985-05-07 Diffracto Ltd. Electro-optical sensors with fiber optic bundles
US4482890A (en) * 1981-01-22 1984-11-13 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Weight responsive intrusion detector using dual optical fibers
US4377341A (en) * 1981-03-11 1983-03-22 The United States Of America As Represented By The Secretary Of The Air Force System for measuring angular deviation in a transparency
US4654520A (en) * 1981-08-24 1987-03-31 Griffiths Richard W Structural monitoring system using fiber optics
US4525626A (en) * 1982-03-24 1985-06-25 Sperry Corporation Fiber optic vibration modal sensor
US4538140A (en) * 1982-03-31 1985-08-27 Gould Inc. Fiber optic acoustic transducer intrusion detection system
GB8332409D0 (en) * 1983-12-05 1984-01-11 Gen Electric Co Plc Fibre optic sensors
US4591709A (en) * 1983-12-19 1986-05-27 Walter Koechner Optical fiber security system
SE458160B (sv) * 1984-08-09 1989-02-27 Daimler Benz Ag Foerfarande foer fiberoptisk spektralkodad oeverfoeri ng av maetvaerden och anordningar foer utoevande av foerfarandet
US4653906A (en) * 1984-08-13 1987-03-31 United Technologies Corporation Spatially resolving fiber-optic crosstalk strain sensor
KR900005778B1 (ko) * 1984-10-17 1990-08-11 미쓰비시전기 주식회사 온도측정장치
US4854706A (en) * 1987-07-27 1989-08-08 Virginia Tech Intellectual Properties, Inc. Modal domain optical fiber sensors

Also Published As

Publication number Publication date
EP0359360A3 (fr) 1990-11-28
US4863270A (en) 1989-09-05
EP0359360A2 (fr) 1990-03-21
JPH0283402A (ja) 1990-03-23

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