Please use this identifier to cite or link to this item: 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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