Microstructured optical fiber refractive index sensor

Graham E. Town, Ravi McCosker, Scott Wu Yuan, Ole Bang

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We describe a dual-core microstructured optical fiber designed for refractive index sensing of fluids. We show that by using the exponential dependence of intercore coupling on analyte refractive index, both large range and high sensitivity can be achieved in the one device. We also show that selective filling of the microstructure with analyte can increase the device sensitivity by approximately 1 order of magnitude.
Original languageEnglish
JournalOptics Letters
Volume35
Issue number6
Pages (from-to)856-858
ISSN0146-9592
DOIs
Publication statusPublished - 2010

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