A comparison of the sensing characteristics of long period gratings written in three different types of fiber

Thomas D.P. Allsop*, David J. Webb, Ian Bennion

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

This paper compares the environmental sensing behaviour of long period gratings written in three fibers with different refractive index profiles: step, W and a progressive three layered fiber. The measurands considered are temperature, refractive index, axial strain and bending, and the spectral behaviour of individual attenuation bands were observed and, where possible, compared to theoretical predictions. Significant differences in the behaviour of the three fiber types were found. © 2003 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)210-223
Number of pages14
JournalOptical Fiber Technology
Volume9
Issue number4
DOIs
Publication statusPublished - Oct 2003

Keywords

  • environmental sensing behaviour
  • long period gratings
  • temperature
  • refractive index
  • axial strain
  • bending
  • spectral behaviour
  • attenuation bands

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