| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 4, 2009
|
|
|---|---|---|
| Article Number | 09022 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.2971/jeos.2009.09022 | |
| Published online | 11 May 2009 | |
Regular papers
Liquid level sensing by use of digital formatted optical spectrum spreading technique
Photonics Research Group, Aston University, Birmingham, B4 7ET, UK
Received:
24
March
2009
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.
Key words: liquid level sensing / spectrum spreading / phase grating
© The Author(s) 2009. All rights reserved.
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