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Open AccessArticle

Design of Novel FBG-Based Sensor of Differential Pressure with Magnetic Transfer

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Research Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, China
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Physics Department, Harbin Institute of Technology, Harbin 150001, China
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College of Information Science and Technology, Heilongjiang University, Harbin 150080, China
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Author to whom correspondence should be addressed.
Academic Editors: Christophe Caucheteur and Tuan Guo
Sensors 2017, 17(2), 375; https://doi.org/10.3390/s17020375
Received: 14 December 2016 / Revised: 7 February 2017 / Accepted: 9 February 2017 / Published: 15 February 2017
(This article belongs to the Special Issue Recent Advances in Fiber Bragg Grating Sensing)
In this paper, a differential pressure sensor with magnetic transfer is proposed, in which the non-electric measurement based on the fiber Bragg grating (FBG) with the position limiting mechanism is implemented without the direct contact of the sensing unit with the measuring fluid. The test shows that the designed sensor is effective for measuring differential pressure in the range of 0~10 kPa with a sensitivity of 0.0112 nm/kPa, which can be used in environments with high temperature, strong corrosion and high overload measurements. View Full-Text
Keywords: FBG; magnetic transmission; differential pressure sensor; beam of uniform strength FBG; magnetic transmission; differential pressure sensor; beam of uniform strength
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MDPI and ACS Style

Lyu, G.; Che, G.; Li, J.; Jiang, X.; Wang, K.; Han, Y.; Gao, L. Design of Novel FBG-Based Sensor of Differential Pressure with Magnetic Transfer. Sensors 2017, 17, 375.

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