Solid-State Autocatalysis and Oscillatory Reactions in Thermally Processed Hydrogen Loaded Germanosilicate Fibres

John Canning, Henrik Rokkjær Sørensen, Martin Kristensen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Solid-state autocatalysis leading to oscillatory behaviour in GeOH and SiOH formation is demonstrated in optical fibres processed at 500o C. The results confirm the proposed view that hydrogen accelerates change in processed optical fibres principally through autocatalysis. Diffusion of OH through hydrogen hopping is thought to be instrumental in terminating this process. To our knowledge this is the first demonstration of solid-state autocatalysis in a non-decomposing medium. The demonstration of complexity offers potentially much more sophisticated tailoring of thermally processed and UV processed device properties.
Original languageEnglish
Title of host publicationBragg Gratings, Poling and Photosensitivity
VolumeConference CD-ROM
Publication date2005
Pages142-144
ISBN (Print)18-77-04033-9
Publication statusPublished - 2005
EventBragg Gratings, Poling and Photosensitivity - Sydney, Australia
Duration: 4 Jul 20058 Jul 2005

Conference

ConferenceBragg Gratings, Poling and Photosensitivity
CountryAustralia
CitySydney
Period04/07/200508/07/2005

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