Plastics; Temperature; Poland; Refractometry; Surface Plasmon Resonance; Optical Fibers; Fibre surfaces; Measurement of refractive indices; Resonance excitation; Side polishs; Simple++; Simultaneous measurement; Surface plasmon resonance sensor; V grooves; V-groove; Atomic and Molecular Physics, and Optics
Abstract :
[en] A simple plastic optical fiber (POF) based surface plasmon resonance (SPR) sensor is proposed and demonstrated for simultaneous measurement of refractive index (RI) and temperature. The sensor consists of a series of V-grooves along the POF and a side-polish structure at the other side of the fiber. The V-groove structure can alter the SPR excitation angle and act as a mode filter, effectively enhancing the SPR effect and narrowing the SPR wavelength width. After coating a layer of thermosensitive material-polydimethylsiloxane (PDMS) film on half part of the fiber probe, a dual-parameter sensor probe is obtained for RI and temperature measurement. Experimental results show the RI sensitivity of the prepared probe can reach 1546 nm/RIU in the RI range of 1.335-1.37 RIU and the temperature sensitivity is -0.83 nm/°C in the temperature range of 20-80°C. The sensor is simple in structure and low cost, and has potential applications in the biochemical sensing fields.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Chuanxin, Teng; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Shao, Peng; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Min, Rui; State Key Laboratory of Cognitive Neuroscience and Learning, Center for Cognition and Neuroergonomics, Beijing Normal University, Zhuhai, China
Deng, Hongchang; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Chen, Ming ; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Deng, Shijie ; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Hu, Xuehao ; Université de Mons - UMONS > Recherche > Service ERC Unit - Advanced Photonic
Marques, Carlos ; I3N & Physics Department, Universidade de Aveiro, Aveiro, Portugal
Yuan, Libo ; Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, China
Language :
English
Title :
Simultaneous measurement of refractive index and temperature based on a side-polish and V-groove plastic optical fiber SPR sensor.
Publication date :
15 January 2023
Journal title :
Optics Letters
ISSN :
0146-9592
eISSN :
1539-4794
Publisher :
Optica Publishing Group (formerly OSA), United States
Research Institute for Materials Science and Engineering
Funders :
National Natural Science Foundation of China Fundação para a Ciência e a Tecnologia F.R.S.-FNRS - Fonds de la Recherche Scientifique
Funding text :
Funding. National Natural Science Foundation of China (61805050, 61965009, 61827819, 61964005, 61965006, 61975038, 62075047); Fundação para a Ciência e a Tecnologia (2021.00667.CEECIND, PTDC/EEI-EEE/0415/2021); Fundação para a Ciência e a Tecnolo-gia (UIDB/50025/2020 \& UIDP/50025/2020); Fonds De La Recherche Scientifique - FNRS (Postdoctoral Researcher grant (C.R.) of Xuehao Hu).
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