Liquid crystal optical fiber sensor based on misaligned core configuration for temperature and mixed volatile organic compound detection

doi:10.1016/j.optlastec.2022.108545

CIOMP OpenIR

	Liquid crystal optical fiber sensor based on misaligned core configuration for temperature and mixed volatile organic compound detection
	D. Zhou; Z. Q. Lan; W. Z. Cao; Y. Z. Chen; S. S. Zhang; J. Y. Hu; J. Y. Shang; Z. H. Peng and Y. J. Liu
	2022
Source Publication	Optics and Laser Technology
ISSN	0030-3992
Volume	156 Pages:8
Abstract	In this paper, an optical fiber sensor based on cholesteric liquid crystal (CLC) is used for real-time monitoring of temperature and volatile organic compound (VOC) gas concentration. The sensor works based on a 2 x 2 multimode fiber coupler whose two output ports can respectively function as gas and temperature sensor probes. The former was realized by dislocation fusion of two multimode fibers (MMFs) coated with two CLCs, and the CLC reflection peak has a red shift with the increasing concentrations of acetone and tetrahydrofuran (THF) gas. The other MMF port has been fused with hollow capillary fibers (HCF). To eliminate the adverse effects of external temperature fluctuations, the enclosed CLC in the HCF will realize real-time temperature monitoring and temperature compensation. In addition, the sensor can also measure the dependence of the wavelength on the total gas concentration of different mixing ratios of acetone and THF, and distinguish the concentration of acetone and THF in the mixed gas.
DOI	10.1016/j.optlastec.2022.108545
URL	查看原文
Indexed By	sci ; ei
Language	英语
Citation statistics
Document Type	期刊论文
Identifier	http://ir.ciomp.ac.cn/handle/181722/66812
Collection	中国科学院长春光学精密机械与物理研究所
Recommended Citation GB/T 7714	D. Zhou,Z. Q. Lan,W. Z. Cao,et al. Liquid crystal optical fiber sensor based on misaligned core configuration for temperature and mixed volatile organic compound detection[J]. Optics and Laser Technology,2022,156:8.
APA	D. Zhou.,Z. Q. Lan.,W. Z. Cao.,Y. Z. Chen.,S. S. Zhang.,...&Z. H. Peng and Y. J. Liu.(2022).Liquid crystal optical fiber sensor based on misaligned core configuration for temperature and mixed volatile organic compound detection.Optics and Laser Technology,156,8.
MLA	D. Zhou,et al."Liquid crystal optical fiber sensor based on misaligned core configuration for temperature and mixed volatile organic compound detection".Optics and Laser Technology 156(2022):8.

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中国科学院长春光学精密机械与物理研究所