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Design of single mode spiral photonic crystal fiber for gas sensing applications

  • Ibadul Islam
  • , Kawsar Ahmed
  • , Sayed Asaduzzaman
  • , Bikash Kumar Paul
  • , Touhid Bhuiyan
  • , Shuvo Sen
  • , Shadidul Islam
  • , Sawrab Chowdhury

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a spiral shape photonic crystal fiber (S-PCF) has been suggested as a gas sensor for detecting toxic or colorless gases as well as monitoring the air pollution by metering gas condensate elements in production facilities. Our reported S-PCF is micro-structured where two layers porous core is encircled by a spiral shape cladding. The geometrical parameters have altered to optimize the parameters of the proposed structure. The numerical analysis of the proposed S-PCF is performed by utilizing finite element method (FEM). The relative sensitivity and birefringence of the proposed S-PCF are 55.10% and 7.23 × 10− 3 respectively at the 1.33 μm wavelength that lies in the absorption line of toxic gases (methane and hydrogen fluoride). Besides, effective area, nonlinear coefficient and V parameters are also described briefly.
Original languageEnglish
Pages (from-to)55-62
Number of pages8
JournalSensing and Bio-Sensing Research
Volume13
DOIs
Publication statusPublished - 1 Apr 2017
Externally publishedYes

Keywords

  • Birefringence
  • Effective area
  • Gas sensor
  • Non-linear coefficient
  • Sensitivity
  • Spiral photonic crystal fiber

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