Photonic sensing based on variation of propagation properties of photonic crystal fibres

John H. Rothwell, Dónal A. Flavin, William N. MacPherson, J. D C Jones, Jonathan C. Knight, P. St J Russell

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

We report on a low-coherence interferometric scheme for the measurement of the strain and temperature dependences of group delay and dispersion in short, index-guiding, 'endlessly-single-mode' photonic crystal fibre elements in the 840 nm and 1550 nm regions. Based on the measurements, we propose two schemes for simultaneous strain and temperature measurement using a single unmodified PCF element, without a requirement for any compensating components, and we project the measurement accuracies of these schemes. © 2006 Optical Society of America.

Original languageEnglish
Pages (from-to)12445-12450
Number of pages6
JournalOptics Express
Volume14
Issue number25
DOIs
Publication statusPublished - 11 Dec 2006

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