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

39 Citations (Scopus)

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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