publication . Part of book or chapter of book . 2016

Fibre optic chemical sensor based on graphene oxide-coated long period grating

Liu, Chen; Cai, Qi; Sun, Zhongyuan; Xu, Baojian; Zhao, Jianlong; Zhang, Lin; Chen, Xianfeng;
Open Access English
  • Published: 30 May 2016
  • Publisher: SPIE
  • Country: United Kingdom
Abstract
In this work, a graphene oxide-coated long period fibre grating (GO-LPG) is proposed for chemical sensing application. Graphene oxide (GO) has been deposited on the surface of long period grating to form a sensing layer which significantly enhances the interaction between LPG propagating light and the surrounding-medium. The sensing mechanism of GO-LPG relies on the change of grating resonance intensity against surrounding-medium refractive index (SRI). The proposed GO-LPG has been used to measure the concentrations of sugar aqueous solutions. The refractive index sensitivities with 99.5 dB/RIU in low refractive index region (1.33-1.35) and 320.6 dB/RIU in high ...
Related Organizations
Funded by
EC| IPHOTO-BIO
Project
IPHOTO-BIO
International Collaboration on Integrated Photonics Technologies for Advanced Bioapplications
  • Funder: European Commission (EC)
  • Project Code: 612267
  • Funding stream: FP7 | SP3 | PEOPLE
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Part of book or chapter of book . 2016

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