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A Strain Insensitive Temperature Sensor Based on In-fiber Integrated Multipath Interferometer

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Abstract

We proposed and experimentally demonstrated an in-fiber integrated multipath interferometer using all-solid multi-core fiber for temperature sensing applications. A high temperature sensitivity of 130.6pm/°C and a record low strain-to-temperature cross sensitivity of 1.95×10−3 °C /με were achieved.

© 2013 Optical Society of America

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