Surface Plasmon Resonance-Based Temperature Sensor with Outer Surface Metal Coating on Multi-core Photonic Crystal Fibre

Samuel Osifeso, Suoda Chu, Ashwini Prasad, K. Nakkeeran * (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

We report an innovative design of a multi-core photonic crystal fibre based surface plasmon resonance temperature sensor using ethanol and benzene as temperature-sensitive materials with segmented outer-surface metal coating scheme. A stable sensing performance for a detection range of 10 ◦C to 80 ◦ C, was found while using ethanol as the temperature-sensitive material while using benzene both blue and red frequency shifts were observed. The maximum temperature sensitivity obtained from this proposed temperature sensor is 360 pm/◦C and 23.3 nm/◦ C with resolution of 2.78 × 10−1 ◦C or 4.29 × 10−3 ◦ C, respectively, when using ethanol or benzene as the sensing medium.
Original languageEnglish
Pages (from-to)337-351
Number of pages15
JournalSurfaces
Volume3
Issue number3
Early online date20 Jul 2020
DOIs
Publication statusPublished - 30 Sep 2020

Keywords

  • Multi-core
  • photonic crystal fibre
  • surface plasmon resonance
  • temperature sensor
  • Finite Element Method
  • surface metal coating

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