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Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre

Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre
Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre
A complex grating decay process is observed at elevated temperatures as predicted by a recently proposed three-energy-level model. We have also measured thermal stability of fiber gratings of both positive and negative index changes in a boron-codoped germanosilicate fiber in order to characterize the energy levels of the system and to predict grating lifetimes. The negative index gratings are found to be able to operate at 300°C for more than 23 years without significant degradation.
0003-6935
8222-8226
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Liu, W.F.
2aa5be46-280a-4aa7-9ffb-8557679d90f7
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Liu, W.F.
2aa5be46-280a-4aa7-9ffb-8557679d90f7

Dong, L. and Liu, W.F. (1997) Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre. Applied Optics, 36 (31), 8222-8226. (doi:10.1364/AO.36.008222).

Record type: Article

Abstract

A complex grating decay process is observed at elevated temperatures as predicted by a recently proposed three-energy-level model. We have also measured thermal stability of fiber gratings of both positive and negative index changes in a boron-codoped germanosilicate fiber in order to characterize the energy levels of the system and to predict grating lifetimes. The negative index gratings are found to be able to operate at 300°C for more than 23 years without significant degradation.

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Published date: 1997
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Identifiers

Local EPrints ID: 78000
URI: http://eprints.soton.ac.uk/id/eprint/78000
DOI: doi:10.1364/AO.36.008222
ISSN: 0003-6935
PURE UUID: 3eb358cb-8f65-47d9-8309-9bafecc3eaa8

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:04

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Author: L. Dong
Author: W.F. Liu

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