WO2014026839A3 - Faseroptischer sensor und messverfahren - Google Patents
Faseroptischer sensor und messverfahren Download PDFInfo
- 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
Links
- 239000000835 fiber Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
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
Landscapes
- 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.
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)
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)
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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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2012
- 2012-08-14 DE DE102012214441.2A patent/DE102012214441B4/de active Active
-
2013
- 2013-07-25 WO PCT/EP2013/065738 patent/WO2014026839A2/de active Application Filing
Patent Citations (2)
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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