Spectral characterization of a photonic bandgap fiber for sensing applications

S H Aref, Rodrigo Amezcua Correa, J P Carvalho, O Frazao, J L Santos, F M Araujo, H Latifi, F Farahi, L A Ferreira, Jonathan C Knight

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We study the measurand-induced spectral shift of the photonic bandgap edge of a hollow-core photonic crystal fiber. The physical measurands considered are strain, temperature, curvature, and twist. A noticeable sensitivity to strain, temperature, and twist is observed, with a blueshift to increase strain and twist. An increase in temperature induces a redshift. On the other hand, curvature has no observable effect on the spectral position of the photonic bandgap edge.
Original languageEnglish
Pages (from-to)1870-1875
Number of pages6
JournalApplied Optics
Volume49
Issue number10
DOIs
Publication statusPublished - 1 Apr 2010

Keywords

  • Gap
  • Guidance
  • Crystal fibers
  • Light
  • Air

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