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

Wei Zhang, Kate Sugden, S. Grice, Ian Bennion

Research output: Contribution to journalArticlepeer-review

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.
Original languageEnglish
JournalJournal of the European optical society
Volume4
Issue number09022
DOIs
Publication statusPublished - 11 May 2009

Keywords

  • liquid level sensing
  • spectrum spreading
  • phase grating

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