Strategy and method for nanoporous cladding formation on silica optical fiber

Hui Chen, Fei Tian, Kai Liu, Jiri Kanka, Henry Du

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We demonstrate the proof of an innovative concept of fabricating nanostructured aluminum oxide cladding on silica optical fiber. Our fabrication strategy entails freeze-coating aluminum on silica fiber and its subsequent anodization, resulting in the formation of anodized aluminum oxide (AAO) cladding with highly organized nanopore channels vertically aligned to the fiber axis. We show that the structure (diameter of pore channels and the porosity) of AAO cladding can be controlled by varying anodization conditions such as the type and concentration of electrolyte solutions and applied voltage. The versatility of AAO as a cladding with tunable structural and optical characteristics and/or a host of other functional nanostructures within the pore channels has the potential to enable a new class of specialty optical fiber for new sensor architecture and applications.

Original languageEnglish
Pages (from-to)2831-2834
Number of pages4
JournalOptics Letters
Volume41
Issue number12
DOIs
StatePublished - 15 Jun 2016

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