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Title: Gas pressure sensor based on BDK-Doped polymer optical fiber
Authors: Cheng, X 
Liu, Y 
Yu, CY 
Issue Date: 2019
Source: Micromachines, 24 Oct. 2019, v. 10, no. 11, 717, p. 1-8
Abstract: This paper presents a high sensitivity gas pressure sensor with benzyl-dimethylketal (BDK)-doped polymer optical fiber Bragg grating (POFBG), whose sensitivity is up to 8.12 pm/kPa and 12.12 pm/kPa in positive and negative pressure atmosphere, respectively. The high sensitivity can be explained by its porous chemical structure. The stability and response behavior under air pressure atmosphere has also been investigated. The new understanding of the air pressure response principle and sensitivity difference for the presented sensor can be a worthy reference.
Keywords: Polymers
Fiber Bragg gratings
Photosensitive material
Pressure sensitivity
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Micromachines 
ISSN: 2072-666X
DOI: 10.3390/mi10110717
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Cheng, X.; Liu, Y.; Yu, C. Gas Pressure Sensor Based on BDK-Doped Polymer Optical Fiber. Micromachines 2019, 10, 717, 1-8 is available at
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