Correlation between ultraviolet-induced refractive index change and photoluminescence in Ge-doped fiber
- 21 December 1992
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 61 (25), 2955-2957
- https://doi.org/10.1063/1.108029
Abstract
The refractive index change arising following the UV exposure of a Ge-doped fiber was obtained by measuring the change in the far-field width of the fiber mode in the infrared. Simultaneous measurements showed a gradual decrease in the visible photoluminescence from the fiber which can be directly correlated to the photoinduced index change.Keywords
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