Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
Volume 39, Issue 9, Pages 1723-1728Publisher
Optica Publishing Group
DOI: 10.1364/JOSAA.468868
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Funding
- Local Universities Reformation and Development Personnel Training Supporting Project from Central Authorities, Hainan Province Science and Technology Special Fund [ZDYF2022GXJS003]
- Natural Science Foundation of Heilongjiang Province [LH2021F007]
- China Postdoctoral Science Foundation [2020M670881]
- CityUniversity ofHong Kong Strategic Research Grant [7005505]
- City University of Hong Kong Donation Research Grant [DON-RMG 9229021]
- Scientific Research Fund of Sichuan Province Science and Technology Department [2020YJ0137]
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A highly sensitive dual-core photonic quasicrystal fiber methane sensor based on surface plasmon resonance is designed and analyzed. The optimized structure exhibits excellent methane-sensing properties, surpassing those of similar sensors previously reported.
A highly sensitive dual-core photonic quasicrystal fiber methane sensor based on surface plasmon resonance is designed and analyzed. In this sensor, cryptophane E is doped with polysiloxane and Ag and used as the sensitive film and plasma medium, respectively, for sensitive detection of methane. The influence of the structural parameters on the sensor properties is analyzed by the finite element method. The optimized dual-quasi-D-shape structure has excellent methane-sensing properties such asmaximumand average wavelength sensitivities of 14 and 10.98 nm/%, respectively, in the methane concentration range of 0%-3.5%. The sensitivity is better than that of similar sensors reported previously. (c) 2022 Optica Publishing Group
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