Study on mode-filtered light sensor for methane detection

Suo Zhu Wu, Shao Min Shuang*, Yan Zhang, Zhong Ping Li, Martin M F CHOI, Cai Hong Zhang, Chuan Dong

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

5 Citations (Scopus)

Abstract

A novel mode-filtered light gas sensor has been reported. It was constructed by inserting an optical fiber deposited by a thin silicone cladding of cryptophane A into a fused-silica capillary. When different concentration of methane gas was introduced to the sensor, the phenomenon that mode-filtered light intensity decreased with the increasing concentration of methane was observed. And a linear relationship was obtained within the methane concentration range of 0.0-16.0% (v/v). The detection limit was 0.06% (v/v). The mode-filtered light sensor has been exploited to respond to various concentrations of methane gas at room temperature.

Original languageEnglish
Pages (from-to)210-212
Number of pages3
JournalChinese Chemical Letters
Volume20
Issue number2
DOIs
Publication statusPublished - Feb 2009

Scopus Subject Areas

  • Chemistry(all)

User-Defined Keywords

  • Cryptophane A
  • Methane
  • Mode-filtered light

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