Demonstration of a polarization maintaining fiber tape for simultaneous transverse-force and temperature sensing based on distributed polarization crosstalk analysis

Zeheng Zhang; Ting Feng; Junnan Zhou; X. Steve Yao

doi:10.1117/12.2573396

10 October 2020 Demonstration of a polarization maintaining fiber tape for simultaneous transverse-force and temperature sensing based on distributed polarization crosstalk analysis

Zeheng Zhang, Ting Feng, Junnan Zhou, X. Steve Yao

Author Affiliations +

Proceedings Volume 11554, Advanced Sensor Systems and Applications X; 1155411 (2020) https://doi.org/10.1117/12.2573396
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

We demonstrate a polarization maintaining fiber (PMF) sensing tape capable of measuring transverse-force (TF) and temperature simultaneously, based on the distributed polarization crosstalk analysis (DPXA) technique. Using a self developed automatic birefringence axis alignment equipment, a PMF is fixed on a transparent PET strip with the highest sensitivity to TF and high polarization crosstalk consistency along the axial direction. 6 preset crosstalk points with an adjacent spatial distance of 2 m along the PMF are produced through fusion splicing, and the temperature spatial resolution of 2 m is determined. The distributed TF and temperature sensing can be achieved by independently monitoring the intensities of TF-induced polarization crosstalk peaks and the distance-resolved delay spacing of adjacent preset crosstalk peaks, respectively. The maximum temperature measurement error is measured to be 6.84 ℃, which can be seen as the temperature resolution of sensing. The experimental results indicate that our sensing tape can be practical after several improvements.

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Zeheng Zhang, Ting Feng, Junnan Zhou, and X. Steve Yao "Demonstration of a polarization maintaining fiber tape for simultaneous transverse-force and temperature sensing based on distributed polarization crosstalk analysis", Proc. SPIE 11554, Advanced Sensor Systems and Applications X, 1155411 (10 October 2020); https://doi.org/10.1117/12.2573396

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