Hydrophobic photonic crystal fibers

Limin Xiao, Timothy A Birks, W H Loh

Research output: Contribution to journalArticle

7 Citations (Scopus)
141 Downloads (Pure)

Abstract

We propose and demonstrate hydrophobic photonic crystal fibers (PCFs). A chemical surface treatment for making PCFs hydrophobic is introduced. This repels water from the holes of PCFs, so that their optical properties remain unchanged even when they are immersed in water. The combination of a hollow core and a water-repellent inner surface of the hydrophobic PCF provides an ultracompact dissolved-gas sensor element, which is demonstrated for the sensing of dissolved ammonia gas.
Original languageEnglish
Pages (from-to)4662-4664
Number of pages3
JournalOptics Letters
Volume36
Issue number23
DOIs
Publication statusPublished - 1 Dec 2011

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