Enhanced evanescent field via integration of a graphene oxide/poly(methyl methacrylate) hybrid film on coreless D-shaped fibers

Abstract

This study presents the implementation of an evanescent field (EF)-based sensing platform employing a hybrid film composed of graphene oxide (GO) and poly(methyl methacrylate) (PMMA), integrated onto coreless D-shaped fibers (cDsFs). The operational framework of the hybrid film-coated cDsFs (GoP-cDsFs) was comprehensively elucidated through theoretical and experimental analyses. To establish a baseline for comparison, the performance of the cDsFs with the sole inclusion of the PMMA film was investigated. Our investigations underscore the substantive role of graphene oxide in augmenting the evanescent field, thereby generating a synergistic effect that contributes to the overall enhancement of the evanescent field in the device. Consequently, the fabricated GoP-cDsF sensor manifests an outstanding sensitivity of −4.936 nm/°C, rendering it particularly well-suited for applications demanding high-sensitivity temperature sensing. Moreover, the unique attributes of the GoP-cDsF position it as a promising candidate for the measurement of both magnetic and electric fields, presenting an effective strategy for multifunctional sensing applications.

Publication DOI: https://doi.org/10.1364/OL.507194
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Funding Information: National Natural Science Foundation of China (62175116, 91950105); H2020 Marie Skłodowska-Curie Actions (891685).
Additional Information: Copyright © 2024, Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Publication ISSN: 1539-4794
Last Modified: 03 Jul 2024 07:20
Date Deposited: 22 May 2024 16:30
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Related URLs: https://opg.opt ... ri=ol-49-7-1745 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2024-04-01
Published Online Date: 2024-03-22
Accepted Date: 2024-02-22
Authors: Sun, Bing
Wan, Kai
Zhou, Kaiming (ORCID Profile 0000-0002-6011-1912)
Huang, Zhendong
Zhang, Zuxing

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