A Novel Dual-Wavelength Method for Evaluating Temperature Effect in Fiber-Optic SPR Sensors

doi:10.3390/app11199011

	A Novel Dual-Wavelength Method for Evaluating Temperature Effect in Fiber-Optic SPR Sensors
	Su, Ning 1,2; Luo, Wei 1,2; Wang, Liusan 1,2; Zhang, Zhengyong 1,2; Wang, Rujing 1,2
刊名	APPLIED SCIENCES-BASEL
	2021-10-01
卷号	11
关键词	surface plasmon resonance dual-wavelength refractive index temperature effect fiber-optic sensor
DOI	10.3390/app11199011
通讯作者	Luo, Wei(zjlw1018@mail.ustc.edu.cn) ; Wang, Rujing(rjwang@iim.ac.cn)
英文摘要	The temperature effect is one of the critical factors to induce the resonance wavelength shift in fiber-optic surface plasmon resonance (SPR) sensors, which leads to the inaccuracy measurement of refractive index (RI) in practical applications. In this study, a novel dual-wavelength method is presented for fiber-optic SPR sensors to measure the changes of RI and temperature simultaneously in real time. A typical model of an SPR-based fiber optical sensor is constructed for theoretical analysis of temperature effect. Both the thermo-optic effect in the fiber core and phonon-electron scattering along with electron-electron scattering in the metal layer are studied systematically in the theoretical model. The linear and independent relationship, about the dependence of defined output signals on the RI and temperature, is validated by a theoretical calculation in specific dual wavelengths. A proof-of-concept experiment is conducted to demonstrate the capability of the presented dual-wavelength technique. The experimental results indicate that the presented dual-wavelength method is technically feasible and can be applied for practical application. Since the presented method only depends on the full advantages of the transfer spectrum data, it can be applied directly to the conventional single-channel fiber-optic SPR without any specific design structure of the sensor probe. The proposed method provides a new way to detect the RI under different thermal conditions and could lead to a better design for the fiber-optic SPR sensors.
资助项目	major scientific and technological innovation project of Shandong Province, China[2019JZZY010730] ; major scientific and technological project of Ningxia, China[nxzdkjxm2016-04-01]
WOS关键词	SURFACE-PLASMON RESONANCE ; ELECTRON-ELECTRON SCATTERING ; REFRACTIVE-INDEX ; ANGLE TECHNIQUE ; OPTICAL-FIBER ; SENSITIVITY
WOS研究方向	Chemistry ; Engineering ; Materials Science ; Physics
语种	英语
出版者	MDPI
WOS记录号	WOS:000778211900036
资助机构	major scientific and technological innovation project of Shandong Province, China ; major scientific and technological project of Ningxia, China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/128719]
专题	中国科学院合肥物质科学研究院
通讯作者	Luo, Wei; Wang, Rujing
作者单位	1.Chinese Acad Sci, Inst Intelligent Machines, Hefei Inst Phys Sci, Hefei 230031, Peoples R China 2.Intelligent Agr Engn Lab Anhui Prov, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Su, Ning,Luo, Wei,Wang, Liusan,et al. A Novel Dual-Wavelength Method for Evaluating Temperature Effect in Fiber-Optic SPR Sensors[J]. APPLIED SCIENCES-BASEL,2021,11.
APA	Su, Ning,Luo, Wei,Wang, Liusan,Zhang, Zhengyong,&Wang, Rujing.(2021).A Novel Dual-Wavelength Method for Evaluating Temperature Effect in Fiber-Optic SPR Sensors.APPLIED SCIENCES-BASEL,11.
MLA	Su, Ning,et al."A Novel Dual-Wavelength Method for Evaluating Temperature Effect in Fiber-Optic SPR Sensors".APPLIED SCIENCES-BASEL 11(2021).