, Volume 14, Issue 1, pp 155–163 | Cite as

Ultra-stable D-shaped Optical Fiber Refractive Index Sensor with Graphene-Gold Deposited Platform

  • Guowen An
  • Shuguang LiEmail author
  • Tonglei Cheng
  • Xin Yan
  • Xuenan Zhang
  • Xue Zhou
  • Zhenyu Yuan


In this paper, we demonstrate a high sensitivity refractive index (RI) sensor with D-shaped structure covered with gold and graphene film. Specifically, the effect of structural parameters on the stability of fiber sensor is analyzed. In our research, it have been found that the sensor we proposed is not very sensitive to the change of structure parameters on the premise of ensuring the sensing precision. This advantage means that the requirements for machining errors are reduced. Further probing shows that the proposed sensor shows a maximum wavelength interrogation sensitivity of 4391nm/RIU with the dynamic refractive index range from 1.33 to 1.39 and a maximum amplitude sensitivity of 1139RIU− 1 with the analyte RI = 1.38 in the visible region. The corresponding resolution are 2.28 × 10− 5 and 8.78 × 10− 6 based on the methods of wavelength interrogation and amplitude-(or phase-) based method. These characteristics of compact sensing architectures, simple to fabricate, and high sensitivity open the possibility of using this type of sensor in biological applications.


Photonic crystal fibers Surface plasmons Fiber optics sensors Optical sensing and sensors 


Funding Information

This work was supported by the Natural Science Foundation of Liaoning Province, China (2014020020), National Natural Science Foundation of China (No. 61504023), Liaoning Province Natural Science Foundation (20170540324), Fundamental Research Funds for the Central Universities under Grants Nos. N130404001 and N150403003, and the Project-sponsored by SRF for ROCS, SEM(47-6).


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Guowen An
    • 1
  • Shuguang Li
    • 1
    Email author
  • Tonglei Cheng
    • 1
  • Xin Yan
    • 1
  • Xuenan Zhang
    • 1
  • Xue Zhou
    • 1
  • Zhenyu Yuan
    • 1
  1. 1.College of Information Science and EngineeringNortheastern UniversityShenyangPeople’s Republic of China

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