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Tapered fibre Mach-Zehnder interferometer for simultaneous measurement of liquid level and temperature

Chen, T and Chen, R and Lu, P and Chen, Q and Chen, KP (2011) Tapered fibre Mach-Zehnder interferometer for simultaneous measurement of liquid level and temperature. Electronics Letters, 47 (19). 1093 - 1095. ISSN 0013-5194

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Abstract

A tapered fibre Mach-Zehnder interferometer sensor is presented to simultaneously measure liquid level and temperature. The transmission spectra shift with the change in immersed liquid level and environmental temperature. The liquid level difference of 190mm can be measured with millimetre resolution in 90mm-long linear range. The temperature response is discriminated from level response by simultaneously monitoring different interference orders at 1520 and 1620nm. Level sensitivities of -0.017 and -0.021nm/mm, and temperature sensitivities of 0.074 and 0.081nm/°C are achieved, respectively. © 2011 The Institution of Engineering and Technology.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Chen, T
Chen, R
Lu, P
Chen, Q
Chen, KPpec9@pitt.eduPEC90000-0002-4830-0817
Date: 15 September 2011
Date Type: Publication
Journal or Publication Title: Electronics Letters
Volume: 47
Number: 19
Page Range: 1093 - 1095
DOI or Unique Handle: 10.1049/el.2011.2082
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 0013-5194
Date Deposited: 16 Oct 2014 14:16
Last Modified: 15 Jan 2021 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/23258

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