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https://hdl.handle.net/10356/83142
Title: | Directional torsion and temperature discrimination based on a multicore fiber with a helical structure | Authors: | Zhang, Hailiang Wu, Zhifang Shum, Perry Ping Shao, Xuguang Wang, Ruoxu Dinh, Xuan Quyen Fu, Songnian Tong, Weijun Tang, Ming |
Keywords: | Microstructured Fibers Fiber Optics Sensors DRNTU::Engineering::Electrical and electronic engineering |
Issue Date: | 2018 | Source: | Zhang, H., Wu, Z., Shum, P. P., Shao, X., Wang, R., Dinh, X. Q., . . . Tang, M. (2018). Directional torsion and temperature discrimination based on a multicore fiber with a helical structure. Optics Express, 26(1), 544-. doi:10.1364/OE.26.000544 | Series/Report no.: | Optics Express | Abstract: | We propose and experimentally demonstrate a directional torsion sensor based on a Mach-Zehnder interferometer formed in a multicore fiber (MCF) with a ~570-μm-long helical structure (HS). The HS was fabricated into the MCF by simply pre-twisting and then heating with a CO2 laser splicing system. This device shows the capability of directional torsion measurement from −17.094 rad/m to 15.669 rad/m with the sensitivity of ~0.118 nm/(rad/m). Moreover, since the multiple interferences respond differently to torsion and temperature simultaneously, the temperature cross-sensitivity of the proposed sensor can be eliminated effectively. Besides, the sensor owns other merits such as easy fabrication and good mechanical robustness. | URI: | https://hdl.handle.net/10356/83142 http://hdl.handle.net/10220/47572 |
DOI: | 10.1364/OE.26.000544 | Schools: | School of Electrical and Electronic Engineering | Research Centres: | Centre for Optical Fibre Technology | Rights: | © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | EEE Journal Articles |
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Directional torsion and temperature.pdf | 4.26 MB | Adobe PDF | View/Open |
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