Yan, Zhijun, Mou, Chengbo, Sun, Zhongyuan, Zhou, Kaiming, Wang, Hushan, Wang, Yishan, Zhao, Wei and Zhang, Lin (2015). Hybrid tilted fiber grating based refractive index and liquid level sensing system. Optics Communications, 351 , pp. 144-148.
Abstract
We report a refractive index (RI) and liquid level sensing system based on a hybrid grating structure comprising of a 45° and an 81° tilted fiber gratings (TFGs) that have been inscribed into a single mode fiber in series. In this structure, the 45°-TFG is used as a polarizer to filter out the transverse electric (TE) component and enable the 81°-TFG operating at single polarization for RI and level sensing. The experiment results show a lower temperature cross-sensitivity, only about 7.33 pm/°C, and a higher RI sensitivity, being around 180 nm/RIU at RI=1.345 and 926 nm/RIU at RI=1.412 region, which are significantly improved in comparison with long period fiber gratings. The hybrid grating structure has also been applied as a liquid level sensor, showing 3.06 dB/mm linear peak ratio sensitivity.
Publication DOI: | https://doi.org/10.1016/j.optcom.2015.04.038 |
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Divisions: | College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT) |
Additional Information: | © 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
Uncontrolled Keywords: | liquid level sensor,polarization,refractive index sensor,tilted fiber grating,Electronic, Optical and Magnetic Materials,Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Physical and Theoretical Chemistry |
Publication ISSN: | 1873-0310 |
Last Modified: | 29 Oct 2024 13:12 |
Date Deposited: | 16 Jun 2015 11:15 |
Full Text Link: | |
Related URLs: |
http://www.scop ... tnerID=8YFLogxK
(Scopus URL) |
PURE Output Type: | Article |
Published Date: | 2015-05-15 |
Published Online Date: | 2015-04-24 |
Authors: |
Yan, Zhijun
Mou, Chengbo ( 0000-0001-6107-3439) Sun, Zhongyuan Zhou, Kaiming ( 0000-0002-6011-1912) Wang, Hushan Wang, Yishan Zhao, Wei Zhang, Lin ( 0000-0002-1691-5577) |