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Proceedings Paper

Material considerations for Bragg fiber gratings
Author(s): Laurence Reekie; Liang Dong
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Paper Abstract

In general, fibers designed for use in telecommunications systems are not sufficiently photosensitive to allow 'strong' fiber gratings to be written. This has led to the search for other silica-based fibers which exhibit enhanced photosensitivity without the need for hydrogen-loading, the boron co-doped germania fiber being perhaps the best known example. In addition, it is sometimes necessary to exclude dopants such as germania from the core as they would interfere with other desirable properties of the fiber. Prime examples are the rare-earth doped fiber laser and erbium-doped fiber amplifier, devices which may require low concentrations of germania in order to function properly. This paper covers some of the advances that have been made in searching for new materials, the problems which have been overcome, and those which remain.

Paper Details

Date Published: 23 January 1997
PDF: 9 pages
Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); doi: 10.1117/12.264168
Show Author Affiliations
Laurence Reekie, Univ. of Southampton (United Kingdom)
Liang Dong, Univ. of Southampton (United Kingdom)


Published in SPIE Proceedings Vol. 2998:
Photosensitive Optical Materials and Devices
Mark P. Andrews, Editor(s)

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