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Refractive index and strain sensor made of S-tapered photonic crystal fiber

  • Feifei Shi
  • , Yun Wu*
  • , Yuewu Huang
  • , Jinzhong Wang
  • , Lihua Liu
  • , Liancheng Zhao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

An experimental investigation on an S-tapered photonic crystal fiber interferometer is presented in this paper. The sensor exhibits highly surrounding refractive index sensitive, which is 4.7 × 10-3 RIU (refractive index unit) in 1.33-1.39 and 1.45 × 10-3 RIU in 1.39-1.44 commensurable with general sensors. Attribute to the S-shapes distortion, red shifts are measured in axial strain test. In addition, insensitivity (4.3 pm/°C) in low temperature and sensitivity (22.4 pm/°C) in high temperature are confirmed by experiments. These properties combined with a simple fabrication process and a durable structure.

Original languageEnglish
Pages (from-to)897-900
Number of pages4
JournalJournal of Modern Optics
Volume62
Issue number11
DOIs
StatePublished - 25 Jun 2015
Externally publishedYes

Keywords

  • photonic crystal fibers (PCFs)
  • refractive index
  • strain
  • taper

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