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https://hdl.handle.net/10356/83563
Title: | Highly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiber | Authors: | Zhang, Hailiang Wu, Zhifang Shum, Perry Ping Dinh, Xuan Quyen Low, Chun Wah Xu, Zhilin Wang, Ruoxu Shao, Xuguang Fu, Songnian Tong, Weijun Tang, Ming |
Keywords: | Imaging and sensing Optical sensors |
Issue Date: | 2017 | Source: | Zhang, H., Wu, Z., Shum, P. P., Dinh, X. Q., Low, C. W., Xu, Z., et al. (2017). Highly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiber. Scientific Reports, 7, 46633-. | Series/Report no.: | Scientific Reports | Abstract: | Optical fiber sensors for strain measurement have been playing important roles in structural health monitoring for buildings, tunnels, pipelines, aircrafts, and so on. A highly sensitive strain sensor based on helical structures (HSs) assisted Mach-Zehnder interference in an all-solid heterogeneous multicore fiber (MCF) is proposed and experimentally demonstrated. Due to the HSs, a maximum strain sensitivity as high as −61.8 pm/με was experimentally achieved. This is the highest sensitivity among interferometer-based strain sensors reported so far, to the best of our knowledge. Moreover, the proposed sensor has the ability to discriminate axial strain and temperature, and offers several advantages such as repeatability of fabrication, robust structure and compact size, which further benefits its practical sensing applications. | URI: | https://hdl.handle.net/10356/83563 http://hdl.handle.net/10220/42656 |
ISSN: | 2045-2322 | DOI: | 10.1038/srep46633 | Schools: | School of Electrical and Electronic Engineering | Rights: | © 2017 The Author(s) (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | EEE Journal Articles |
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Highly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiber.pdf | 1.46 MB | Adobe PDF | View/Open |
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