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Fiber-Optic High-Temperature Sensor Based on Thin-Core Fiber Modal Interferometer
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
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2010 (English)In: IEEE Sensors Journal, ISSN 1530-437X, E-ISSN 1558-1748, Vol. 10, no 9, 1415-1418 p.Article in journal (Refereed) Published
Abstract [en]

We present a new fiber-optic high-temperature sensor based on a thin-core fiber (TCF) modal interferometer. A thin-core fiber, whose core radius is about half of the radius of a standard single-mode fiber (SMF), is inserted between standard SMFs to form an extremely simple in-fiber modal interferometer. The wavelength of the transmission dip increases linearly with the temperature. Experimental demonstration shows that it can be used to sense temperature up to 850 degrees C with a sensitivity of about 18.3 pm/degrees C.

Place, publisher, year, edition, pages
2010. Vol. 10, no 9, 1415-1418 p.
Keyword [en]
Fiber modal interferometer, fiber-optic sensor, high-temperature sensor
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-39364DOI: 10.1109/JSEN.2010.2042592ISI: 000285239400001Scopus ID: 2-s2.0-77954591433OAI: oai:DiVA.org:kth-39364DiVA: diva2:439796
Available from: 2011-09-09 Created: 2011-09-09 Last updated: 2017-12-08Bibliographically approved

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He, Sailing

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