Graphene-Based Waist-Enlarged Optical Fibre Sensor for Measurement of Sucrose Concentration-Reference-Cited by-同舟云学术

Graphene-Based Waist-Enlarged Optical Fibre Sensor for Measurement of Sucrose Concentration

Published:2019-04-02 Issue:9 Volume:74 Page:751-756
ISSN:1865-7109
Container-title:Zeitschrift für Naturforschung A
language:en
Short-container-title:

Author:

Peng Zhiqing¹,Feng Wenlin¹²,Yang Xiaozhan¹²,Fang Liang³,Wei Dapeng⁴,Liu Xiangzhi¹⁴

Affiliation:

1. College of Science , Chongqing University of Technology , Chongqing 400054 , P.R. China

2. Chongqing Key Laboratory of Green Energy Materials Technology and Systems , Chongqing 400054 , P.R. China

3. College of Physics , Chongqing University , Chongqing 400030 , P.R. China

4. Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences , Chongqing 400714 , P.R. China

Abstract

Abstract A novel sucrose sensor based on graphene-coated optical fibre with waist-enlarged bitapers as Mach-Zehnder interferometer is proposed and demonstrated. The sensor is formed by arc fusion splicing a photonic crystal fibre (PCF) sandwiched between two single-mode fibres (SMFs). The intermodal interference is achieved by two waist-enlarged fibre tapers at the coupling points between the PCF and two SMFs. The result shows that the dips of transmission spectra exhibit blue shift with the concentration increase of the sucrose, and the sensor has a high linear response (R2 = 0.98233) to sucrose with an excellent sensitivity of 3.36 pm/ppm in the range of 0–230 ppm. Additionally, the surface adsorption mechanism is also discussed. Such easily fabricated, cost-effective and small volume fibre interferometer could be used for sucrose sensing applications.

Funder

National Natural Science Foundation of China

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

Link

https://www.degruyter.com/document/doi/10.1515/zna-2018-0564/pdf

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