31 October 2016 Er-doped fiber based Mach-Zehnder interferometer for simultaneous strain and temperature measurement
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Abstract
A novel mode interferometer for simultaneous strain and temperature measurement is proposed, which is based on Mach-Zehnder interferometer (MZI) realized by splicing a short section Er-Doped fiber (EDF) between two sections of single mode fibers (SMF) with core-offset technique. The structure is compact and easy to fabricate. A strain sensitivity of 0.0247 dB/με and a temperature sensitivity of 0.2225dB/℃are achieved experimentally.
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Na Zhang, Wei Xu, Cheungchuen Yu, Changyuan Yu, Shanhong You, "Er-doped fiber based Mach-Zehnder interferometer for simultaneous strain and temperature measurement", Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 100190L (31 October 2016); doi: 10.1117/12.2263344; https://doi.org/10.1117/12.2263344
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