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Study on mode-filtered light sensor for methane detection |
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| Authors: | Suo Zhu Wua Shao Min Shuang Yan Zhanga Zhong Ping Lia Martin M.F.Choib Cai Hong Zhanga Chuan Donga a Research Center of Environmental Science Engineering School of Chemistry Chemical Engineering Shanxi University Taiyuan China b |
| Affiliation: | a Research Center of Environmental Science and Engineering, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China;b Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China |
| 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. |
| Keywords: | Mode-filtered light Methane Cryptophane A |
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