Caroselli, R;
Martin Sanchez, D;
Ponce-Alcantara, S;
Prats Quilez, F;
Torrijos Moran, L;
Garcia-Ruperez, J;
(2018)
Experimental Study of a Real-Time and Highly Sensitive Fiber-Optic Porous Silicon Temperature Sensing Probe.
IEEE Sensors Journal
, 18
(13)
pp. 5361-5367.
10.1109/JSEN.2018.2824349.
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Abstract
We report the development of a temperature sensing probe created as a result of the combination of an optical fiber and a porous silicon microcavity (PSMC). After determining the physical parameters of the PSMC to achieve the required porous sensing structure, it was fabricated by electrochemically etching a silicon wafer. A 1-mm^{2} PSMC piece was attached to the tip of an optical fiber so that temperature variations can be monitored in real-time exactly on that point. First, the performance of the PSMC sensor probe was characterized in a stable environment as water, obtaining a sensitivity around 110 pm/°C and a resolution in the 10^{-4}°C range. Afterward, the temperature transmission dynamics in air environment were studied.
| Type: | Article |
|---|---|
| Title: | Experimental Study of a Real-Time and Highly Sensitive Fiber-Optic Porous Silicon Temperature Sensing Probe |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/JSEN.2018.2824349 |
| Publisher version: | https://doi.org/10.1109/JSEN.2018.2824349 |
| Language: | English |
| Additional information: | © The Authors. This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see (http://creativecommons.org/licenses/by/3.0/) |
| Keywords: | Fiber-optic sensor, porous silicon, Bragg reflector, microcavity, temperature monitoring |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10082998 |
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