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A waveguide-based fiber optic magnetic field sensor with directional sensitivity
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-2650-0121
KTH, Superseded Departments, Signals, Sensors and Systems.
1991 (English)In: SPIE - The International Society for Optical Engineering, vol. 1511 / [ed] Anastasius J. Bruinsma; Brian Culshaw, Bellingham, WA, United States: Int Soc for Optical Engineering , 1991, 142-148 p.Conference paper, Published paper (Refereed)
Abstract [en]

Design and performance of an extrinsic guided wave fiber optic magnetic field sensor is reported. The sensor utilizes a substituted YIG (yttrium iron garnet, Y3Fe5O12) thin film as the waveguiding sensing element. A polarization maintaining fiber downlead was used to provide insensitivity to both power and loss fluctuations. The design makes it possible to determine both the magnitude and the sign of the magnetic field. Measurement results indicate a usable measurement range of at least several mT with a noise equivalent magnetic field level of less than 8 nT/√Hz

Place, publisher, year, edition, pages
Bellingham, WA, United States: Int Soc for Optical Engineering , 1991. 142-148 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-47627DOI: 10.1117/12.45986ISBN: 0819406201 (print)OAI: oai:DiVA.org:kth-47627DiVA: diva2:455823
Conference
Fiber Optic Sensors: Engineering and Applications. Hague, Neth. 14 March 1991 through 15 March 1991
Note
QC 20111114Available from: 2011-11-11 Created: 2011-11-11 Last updated: 2011-11-18Bibliographically approved

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Sohlström, Hans

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CiteExportLink to record
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