Variable waist-diameter Mach–Zehnder tapered-fiber interferometer as humidity and temperature sensor

Soltanian, M.R.K., Sharbirin, A.S., Ariannejad, M.M., Amiri, I.S., De La Rue, R.M. , Brambilla, G., Rahman, B.M.A., Grattan, K.T.V. and Ahmad, H. (2016) Variable waist-diameter Mach–Zehnder tapered-fiber interferometer as humidity and temperature sensor. IEEE Sensors Journal, 16(15), pp. 5987-5992. (doi:10.1109/JSEN.2016.2573961)

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Abstract

In-line single-mode tapered-fiber Mach-Zehnder interferometer (MZI-SMTF) with average waist diameters (davg) of 4.05 and 2.89 μm have been fabricated, and both the temperature and the humidity sensitivity of the surrounding media have been measured and compared. The humidity and the temperature were measured over the ranges from 0% to 90% and 28 °C to 40 °C, respectively. The stability of the system at 50%RH and 90%RH was investigated, while the temperature of the chamber was maintained at about 28 °C. The humidity and temperature sensitivity resolution values were 0.02 nm/%RH and 0.05 nm/0.1 °C for the MZI-SMTF-1 with an average waist diameter of 4.05 μm, while they were 0.01 nm/%RH and 0.025 nm/0.1 °C for the MZI-SMTF-2 with an average waist diameter of 2.89 μm.

Item Type:Articles
Additional Information:This work has been supported by Grants, Newton-Ungku Omar Institutional linkages Fund, GA010-2014 (ulung) and RU007/2015.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:De La Rue, Professor Richard
Authors: Soltanian, M.R.K., Sharbirin, A.S., Ariannejad, M.M., Amiri, I.S., De La Rue, R.M., Brambilla, G., Rahman, B.M.A., Grattan, K.T.V., and Ahmad, H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:IEEE Sensors Journal
Publisher:IEEE
ISSN:1530-437X
Published Online:27 May 2016
Copyright Holders:Copyright © 2016 IEEE
First Published:First published in IEEE Sensors Journal 16(15): 5987-5992
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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