Johari, M.A.M. and Al Noman, A. and Muhammad Imran Mustafa Abdul Khudus and Jali, M.H. and Yusof, H.H.M. and Sulaiman Wadi Harun and Moh. Yasin (2018) Microbottle resonator for formaldehyde liquid sensing. Optik, 173. pp. 180-184.

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Abstract

We have successfully investigated the use of a whispering gallery mode (WGM) optical micro-bottle resonator (MBR) for liquid formaldehyde (CH2O) sensing. The MBR was fabricated via the �soften-and-compress� method to create a bulge (bottle) structure with a bottle diameter of 190 μm. The MBR was optically excited by using a non-adiabatic 2 μm optical microfiber and was found to have a Q-factor of >105. The MBR was then employed to measure formaldehyde concentration within 1�5 range and the performance was compared with a bare microfiber. The MBR sensor was found to have a sensitivity of 4.397 dB/ with 90 linearity which were superior to the bare microfiber. The MBR sensor was also found to have good repeatability and stability over a period of 60 min. This indicates that MBR sensor has a great potential to be employed as a low cost formaldehyde liquid sensor. © 2018

Item Type:	Article
Additional Information:	cited By 8
Uncontrolled Keywords:	Bottles; Formaldehyde; Liquids; Optical fibers; Optical resonators; Q factor measurement, Formaldehyde concentrations; Liquid sensing; Liquid sensors; Low costs; Micro-fiber; Non-adiabatic; Q-factors; Quality factors, Whispering gallery modes
Divisions:	Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:	Creators NIM Johari, M.A.M. UNSPECIFIED Al Noman, A. UNSPECIFIED Muhammad Imran Mustafa Abdul Khudus UNSPECIFIED Jali, M.H. UNSPECIFIED Yusof, H.H.M. UNSPECIFIED Sulaiman Wadi Harun UNSPECIFIED Moh. Yasin UNSPECIFIED
Depositing User:	Ika Rudianto
Last Modified:	31 Dec 2020 14:24
URI:	http://repository.unair.ac.id/id/eprint/102366
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