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A fibre optic displacement sensor
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-2650-0121
KTH, Superseded Departments, Signals, Sensors and Systems.
1982 (English)In: Acta IMEKO, Budapest: Akadémiai Kiadó , 1982, 51-60 p.Conference paper, Published paper (Refereed)
Abstract [en]

Fibre optics is beginning to find use for sensing purposes. Fibre optic sensors have many interesting features, e.g., their immunity to interference from electromagnetic fields. The paper briefly discusses different sensor principles. A displacement sensor using multimode, step index fibres is desccribed. Measurement data showing a resolution of 0.05 nm/sqrt(Hz) in a 150 µm linear range is given. In this sensor, the light coupling between two fibre ends varies with the position of a movable mirror. A mathematical model of the sensor is presented. Application to pressure sensing is also discussed.

Place, publisher, year, edition, pages
Budapest: Akadémiai Kiadó , 1982. 51-60 p.
Keyword [en]
Fibre optic sensor, displacement sensor, pressure sensor
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-47356OAI: oai:DiVA.org:kth-47356DiVA: diva2:454829
Conference
IMEKO 9th world congress
Note
QC 20111109Available from: 2011-11-18 Created: 2011-11-08 Last updated: 2011-11-18Bibliographically approved

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fulltext(693 kB)908 downloads
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Sohlström, Hans

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CiteExportLink to record
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Citation style
  • apa
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Output format
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