Spatial distribution of 650-nm luminescence in UV-processed germanosilicate preforms
- 1 August 1994
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 19 (15), 1119-1121
- https://doi.org/10.1364/ol.19.001119
Abstract
Broadband luminescence at ~650 nm obtained on excitation at 633 and 647.5 nm is shown to be markedly increased in a UV-processed germanosilicate preform. The luminescence profile across the core is found to follow that of the germanium concentration.Keywords
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