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Regular | Open Access

Micro-Structured Fiber Interferometer as Sensitive Temperature Sensor

F. C. FAVERO( ), M. BECKER, R. SPITTEL, M. ROTHHARDT, J. KOBELKE, H. BARTELT
Institute of Photonic Technology (IPHT), Albert-Einstein-Straße-9, 07745, Jena, Germany
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Abstract

We report on a fast and sensitive temperature sensor using a micro-structured or photonic crystal fiber interferometer with a high germanium doped fiber core. The wavelength sensitivity for temperature variation was as high as Δλ/ΔT= 78 pm/℃ up to 500 ℃, which was 6 times more sensitive than the fiber Bragg grating temperature sensitivity of Δλ/ΔT= 13 pm/℃ at 1550 nm. The sensor device was investigated concerning the sensitivity characteristics and response time.

Keywords

Micro-structured optical fiberfiber interferometerfiber temperature sensor

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Photonic Sensors
Volume 3 Issue 3,
September 2013
Pages 208-213
DOI: 10.1007/s13320-013-0116-5

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Cite this article:
FAVERO FC, BECKER M, SPITTEL R, et al. Micro-Structured Fiber Interferometer as Sensitive Temperature Sensor. Photonic Sensors, 2013, 3(3): 208-213. https://doi.org/10.1007/s13320-013-0116-5

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Received: 26 April 2013
Revised: 31 May 2013
Published: 24 June 2013
©The Author(s) 2013.

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