WO2014026839A3 - Faseroptischer sensor und messverfahren - Google Patents

Faseroptischer sensor und messverfahren Download PDF

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Publication number
WO2014026839A3
WO2014026839A3 PCT/EP2013/065738 EP2013065738W WO2014026839A3 WO 2014026839 A3 WO2014026839 A3 WO 2014026839A3 EP 2013065738 W EP2013065738 W EP 2013065738W WO 2014026839 A3 WO2014026839 A3 WO 2014026839A3
Authority
WO
WIPO (PCT)
Prior art keywords
fiber
optic sensor
measuring method
cores
refractive index
Prior art date
Application number
PCT/EP2013/065738
Other languages
English (en)
French (fr)
Other versions
WO2014026839A2 (de
Inventor
Wolfgang Schade
Original Assignee
Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
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 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of WO2014026839A2 publication Critical patent/WO2014026839A2/de
Publication of WO2014026839A3 publication Critical patent/WO2014026839A3/de

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Classifications

    • 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
    • G01D5/35306—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 an interferometer arrangement
    • G01D5/35309—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 an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—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 an interferometer arrangement using multiple waves interferometer using a Bragg gratings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)

Abstract

Die Erfindung betrifft einen Faseroptischer Sensor (1) mit zumindest zwei Kernen (10) aus einem ersten Material mit einem ersten Brechungsindex (n1) und einem die Kerne umgebenden Mantel (11) aus einem zweiten Material mit einem zweiten Brechungsindex (n2), wobei in jeden Kern (10) zumindest ein Faser-Bragg-Gitter (12) eingebracht ist und in zumindest einem ersten Längsabschnitt (21) des faseroptischen Sensors (1) die Faser-Bragg-Gitter (12) an unterschiedlichen Orten entlang der Längserstreckung angeordnet sind. Weiterhin betrifft die Erfindung ein entsprechendes Verfahren zur Erfassung mechanischer Zustandsgrößen.
PCT/EP2013/065738 2012-08-14 2013-07-25 Faseroptischer sensor und messverfahren WO2014026839A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012214441.2A DE102012214441B4 (de) 2012-08-14 2012-08-14 Messverfahren
DE102012214441.2 2012-08-14

Publications (2)

Publication Number Publication Date
WO2014026839A2 WO2014026839A2 (de) 2014-02-20
WO2014026839A3 true WO2014026839A3 (de) 2014-04-03

Family

ID=48875053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/065738 WO2014026839A2 (de) 2012-08-14 2013-07-25 Faseroptischer sensor und messverfahren

Country Status (2)

Country Link
DE (1) DE102012214441B4 (de)
WO (1) WO2014026839A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
DE102016214887A1 (de) 2016-08-10 2018-02-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Faseroptischer Sensor sowie Verfahren zu dessen Herstellung und Verwendung
DE102016125871A1 (de) 2016-12-29 2018-07-05 Endress+Hauser Conducta Gmbh+Co. Kg System zur Bestimmung und Überwachung zumindest einer Prozessgröße eines Mediums
CN106698845B (zh) * 2017-01-13 2020-03-20 佛山市生态环境局三水分局 一种水体修复***及修复方法
CN112362619B (zh) * 2020-11-12 2024-04-26 重庆理工大学 痕量氟离子传感器及浓度检测装置和方法

Citations (2)

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US4929050A (en) * 1988-10-31 1990-05-29 Unisys Corporation Traveling wave fiber optic interferometric sensor and method of polarization poling fiber optic
WO2000028352A2 (en) * 1998-11-05 2000-05-18 Sarcos, Inc. System for information/data interface to optical fibers and method of fabrication

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GB9024326D0 (en) * 1990-11-08 1990-12-19 British Telecomm Method of forming optical fibre gratings
US5563967A (en) * 1995-06-07 1996-10-08 Mcdonnell Douglas Corporation Fiber optic sensor having a multicore optical fiber and an associated sensing method
DE69928231T2 (de) * 1998-03-05 2006-07-20 Gil M. Vardi Optisch-akustisch bildgebendes gerät
US6192177B1 (en) * 1998-07-17 2001-02-20 Lucent Technologies Inc. Electrically modifiable optical grating devices
FR2826448B1 (fr) 2001-06-21 2005-10-14 Commissariat Energie Atomique Systeme de mesure differentielle fonde sur l'utilisation de paires de reseaux de bragg
EP1359394A1 (de) * 2002-04-30 2003-11-05 Abb Research Ltd. Hochauflösender Faserlaser-Sensor
US7781724B2 (en) * 2004-07-16 2010-08-24 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto
DE102007038657B4 (de) * 2007-08-15 2013-04-18 Crylas Crystal Laser Systems Gmbh Vorrichtung zur lichtoptischen Spurendetektion von Explosivstoffen
DE102010001197B4 (de) 2010-01-25 2019-05-29 Draka Cable Wuppertal Gmbh Sensorelement und Verfahren zu seiner Herstellung und Verwendung
DE102011002841A1 (de) * 2011-01-18 2012-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Elektrochemischer Energiespeicher und Verfahren zur Bestimmung dessen Temperatur
DE102011017622B3 (de) 2011-04-27 2012-10-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Messung von Zustandsgrößen mit einem faseroptischen Sensor und deren Verwendung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929050A (en) * 1988-10-31 1990-05-29 Unisys Corporation Traveling wave fiber optic interferometric sensor and method of polarization poling fiber optic
WO2000028352A2 (en) * 1998-11-05 2000-05-18 Sarcos, Inc. System for information/data interface to optical fibers and method of fabrication

Also Published As

Publication number Publication date
WO2014026839A2 (de) 2014-02-20
DE102012214441B4 (de) 2020-08-06
DE102012214441A1 (de) 2014-02-20

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