Abstract

An optical fiber thermometer based on multimode interference (MMI) effects is experimentally reported. At the proposed configuration, a multimode fiber (MMF) without cladding is gradually covered by a liquid column as the temperature rises which produces a displacement of the reflected spectrum as the liquid becomes the cladding of the MMF. A linear relationship between the peak wavelength shift and the applied temperature is obtained with a sensitivity as high as 0.4421 nm/°C.

© 2013 Optical Society of America

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More Like This
MMI Fiber Optic Temperature Sensor

V. I. Ruiz-Perez, D. Lopez-Cortes, J. J. Sanchez-Mondragon, and D. A. May-Arrioja
LS3B.4 Latin America Optics and Photonics Conference (LAOP) 2012

Design and Analysis of Athermal Multimode Interference Devices for Wavelength Stabilization

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FW1B.3 Frontiers in Optics (FiO) 2013

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