Optical Fiber Sensor for Determination of Methanol Ratio in Methanol-Doped Ethanol Based on Two Cholesteric Liquid Crystal Droplets Embedded in Chitosan

doi:10.1109/JLT.2021.3078744

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	Optical Fiber Sensor for Determination of Methanol Ratio in Methanol-Doped Ethanol Based on Two Cholesteric Liquid Crystal Droplets Embedded in Chitosan
	Y. Su; Z. Lan; J. Wang; L. Zeng; D. Zhou; Z. Peng; W. Sun and Y. Liu
	2021
发表期刊	Journal of Lightwave Technology
ISSN	7338724
卷号	39 期号:15 页码:5170-5176
摘要	In this paper, an optical fiber sensor based on cholesteric liquid crystal (CLC) is designed to detect the proportion and concentration of methanol and ethanol in alcohol solution. Due to the different polarity of methanol and ethanol molecules, the pitch of CLC will swell in different degrees. Therefore, the reflected light wavelength of CLCs will shift differently when the sensor is put into the mixed solution of two alcohols with different proportions and concentrations. The function of chitosan polymer network is to fix and protect CLC droplets, it also allows small molecules to pass through and interact with CLC. The sensitivities of the two CLCs are 0.296 nm/v% and 0.467 nm/v% to methanol, and 0.764 nm/v% and 1.133 nm/v% to ethanol, respectively. The detection range of the sensor for alcohol solution is 0.5v/v% -30v/v%. The linear relationship between wavelength shift and proportion and total concentration was obtained by least square method, and the related characteristics of the sensor were explored. 1983-2012 IEEE.
DOI	10.1109/JLT.2021.3078744
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收录类别	SCI ; EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65491
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Su,Z. Lan,J. Wang,et al. Optical Fiber Sensor for Determination of Methanol Ratio in Methanol-Doped Ethanol Based on Two Cholesteric Liquid Crystal Droplets Embedded in Chitosan[J]. Journal of Lightwave Technology,2021,39(15):5170-5176.
APA	Y. Su.,Z. Lan.,J. Wang.,L. Zeng.,D. Zhou.,...&W. Sun and Y. Liu.(2021).Optical Fiber Sensor for Determination of Methanol Ratio in Methanol-Doped Ethanol Based on Two Cholesteric Liquid Crystal Droplets Embedded in Chitosan.Journal of Lightwave Technology,39(15),5170-5176.
MLA	Y. Su,et al."Optical Fiber Sensor for Determination of Methanol Ratio in Methanol-Doped Ethanol Based on Two Cholesteric Liquid Crystal Droplets Embedded in Chitosan".Journal of Lightwave Technology 39.15(2021):5170-5176.

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