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Proceedings Paper

Photoenhanced survivability of optical fibers at 1.30 um for harsh aerospace environments
Author(s): Bruce D. Evans
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Paper Abstract

Photobleaching at 1.30 by 1.30-micron transmitted light during and following exposure to Co-60 irradiation is evaluated at -55 C in undoped and doped silica fibers. It is found that photobleaching can reduce radiation-induced attenuation by a factor of ten with an irradiance as low as approximately 0.1 W/sq cm in fibers where the 630-nm drawing-induced band is absent. This low-temperature photobleaching is characterized by high-order recovery processes. Little photobleaching was observed in germanium doped fibers until irradiances were above 100 W/sq cm.

Paper Details

Date Published: 1 September 1990
PDF: 7 pages
Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); doi: 10.1117/12.21971
Show Author Affiliations
Bruce D. Evans, Boeing Aerospace and Electronics Co. (United States)

Published in SPIE Proceedings Vol. 1314:
Fibre Optics '90
P. McGeehin, Editor(s)

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