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HEC/PVDF coated microbottle resonators for relative humidity detection

A micro-bottle resonator sensor is proposed here for relative humidity detection with an HEC/PVDF coating acting as a transducer. Microbottle resonators are a promising fiber optics sensing structure due to their high-quality factor and HEC/PVDF is used in detecting relative humidity due to its sens...

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Main Authors:	Zain, H. A., Batumalay, M., Rahim, H. R. A., Yasin, M., Harun, S. W.
Format:	Article
Published:	Elsevier 2021
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.um.edu.my/27938/
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spelling	my.um.eprints.279382022-06-17T02:36:06Z http://eprints.um.edu.my/27938/ HEC/PVDF coated microbottle resonators for relative humidity detection Zain, H. A. Batumalay, M. Rahim, H. R. A. Yasin, M. Harun, S. W. TK Electrical engineering. Electronics Nuclear engineering A micro-bottle resonator sensor is proposed here for relative humidity detection with an HEC/PVDF coating acting as a transducer. Microbottle resonators are a promising fiber optics sensing structure due to their high-quality factor and HEC/PVDF is used in detecting relative humidity due to its sensitivity to moisture and humidity. Soften-and-compress technique was used to form a 190 mu m bulge micro-bottle sensing element. A 3 mu m tapered microfiber was used to optically excite the micro-bottle resonator which showed a Q factor in an order of 10(5). The HEC/PVDF coated MBR resonator sensor showed good response to changes in relative humidity range of 40-80 %RH. The HEC/PVDF coated element had a sensitivity of 0.111 dB/RH% and linearity of 95 %. The HEC/PVDF absorption of water molecules with increasing relative humidity, the subsequent change in refractive index and change in the light propagation characteristics of the sensor improved the sensor's response to relative humidity compared to the uncoated one. The proposed sensor's simple fabrication, good sensitivity, linearity, and resolution make it a prom-ising design for relative humidity detection. Elsevier 2021-04 Article PeerReviewed Zain, H. A. and Batumalay, M. and Rahim, H. R. A. and Yasin, M. and Harun, S. W. (2021) HEC/PVDF coated microbottle resonators for relative humidity detection. Optik, 232. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.166534 <https://doi.org/10.1016/j.ijleo.2021.166534>. 10.1016/j.ijleo.2021.166534
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Zain, H. A. Batumalay, M. Rahim, H. R. A. Yasin, M. Harun, S. W. HEC/PVDF coated microbottle resonators for relative humidity detection
description	A micro-bottle resonator sensor is proposed here for relative humidity detection with an HEC/PVDF coating acting as a transducer. Microbottle resonators are a promising fiber optics sensing structure due to their high-quality factor and HEC/PVDF is used in detecting relative humidity due to its sensitivity to moisture and humidity. Soften-and-compress technique was used to form a 190 mu m bulge micro-bottle sensing element. A 3 mu m tapered microfiber was used to optically excite the micro-bottle resonator which showed a Q factor in an order of 10(5). The HEC/PVDF coated MBR resonator sensor showed good response to changes in relative humidity range of 40-80 %RH. The HEC/PVDF coated element had a sensitivity of 0.111 dB/RH% and linearity of 95 %. The HEC/PVDF absorption of water molecules with increasing relative humidity, the subsequent change in refractive index and change in the light propagation characteristics of the sensor improved the sensor's response to relative humidity compared to the uncoated one. The proposed sensor's simple fabrication, good sensitivity, linearity, and resolution make it a prom-ising design for relative humidity detection.
format	Article
author	Zain, H. A. Batumalay, M. Rahim, H. R. A. Yasin, M. Harun, S. W.
author_facet	Zain, H. A. Batumalay, M. Rahim, H. R. A. Yasin, M. Harun, S. W.
author_sort	Zain, H. A.
title	HEC/PVDF coated microbottle resonators for relative humidity detection
title_short	HEC/PVDF coated microbottle resonators for relative humidity detection
title_full	HEC/PVDF coated microbottle resonators for relative humidity detection
title_fullStr	HEC/PVDF coated microbottle resonators for relative humidity detection
title_full_unstemmed	HEC/PVDF coated microbottle resonators for relative humidity detection
title_sort	hec/pvdf coated microbottle resonators for relative humidity detection
publisher	Elsevier
publishDate	2021
url	http://eprints.um.edu.my/27938/
_version_	1738510679499866112
score	13.211869

HEC/PVDF coated microbottle resonators for relative humidity detection

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