Liquid level sensing by use of digital formatted optical spectrum spreading technique

Abstract

We propose a novel technique for optical liquid level sensing. The technique takes advantage of an optical spectrum spreading technique and directly measures liquid level with a digital format. The performance of the sensor does not suffer from changes of environmental variables and system variables. Due to its distinct measurement principle both high resolution and a large measurement range can be achieved simultaneously.

Publication DOI: https://doi.org/10.2971/jeos.2009.09022
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences > Mechanical Engineering & Design
Engineering & Applied Sciences
Uncontrolled Keywords: liquid level sensing,spectrum spreading,phase grating,Atomic and Molecular Physics, and Optics
Full Text Link: https://www.jeo ... /view/09022/411
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2009-05-11
Authors: Zhang, Wei ( 0000-0002-3584-8541)
Sugden, Kate ( 0000-0001-6323-1082)
Grice, S.
Bennion, Ian

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