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http://hdl.handle.net/10397/88493
Title: | Silicone rubber based highly sensitive fiber-optic fabry-perot interferometric gas pressure sensor | Authors: | Cheng, X Dash, JN Gunawardena, DS Htein, L Tam, HY |
Issue Date: | 1-Sep-2020 | Source: | Sensors, 1 Sept. 2020, v. 20, no. 17, 4927, p. 1-10 | Abstract: | A simple, compact, and highly sensitive gas pressure sensor based on a Fabry-Perot interferometer (FPI) with a silicone rubber (SR) diaphragm is demonstrated. The SR diaphragm is fabricated on the tip of a silica tube using capillary action followed by spin coating. This process ensures uniformity of its inner surface along with reproducibility. A segment of single mode fiber (SMF) inserted into this tube forms the FPI which produces an interference pattern with good contrast. The sensor exhibits a high gas pressure sensitivity of -0.68 nm/kPa along with a low temperature cross-sensitivity of approximate to 1.1 kPa/degrees C. | Keywords: | Optical fiber Fabry-perot interferometer (FPI) Gas pressure sensor Silicone rubber |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Sensors | EISSN: | 1424-8220 | DOI: | 10.3390/s20174927 | Rights: | © 2020 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 (http://creativecommons.org/licenses/by/4.0/). The following publication Cheng, X.; Dash, J.N.; Gunawardena, D.S.; Htein, L.; Tam, H.-Y. Silicone Rubber Based Highly Sensitive Fiber-Optic Fabry–Perot Interferometric Gas Pressure Sensor. Sensors 2020, 20, 4927 is available at https://dx.doi.org/10.3390/s20174927 |
Appears in Collections: | Journal/Magazine Article |
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Cheng_Silicone_Fiber-Optic_Gas.pdf | 4.89 MB | Adobe PDF | View/Open |
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