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Proceedings Paper

Photobleaching Effects In Step Index Pure Silica Optical Fibers During In-Situ Irradiation At Low Temperatures
Author(s): A H Johnston; B D Evans; M P Baze; R A Greenwell
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Paper Abstract

This paper investigates photobleaching at a low temperature in a multi-mode step index pure-silica-core optical fiber. Radiation-induced attenuation and subsequent recovery were measured over a wide range of transmitted optical power levels. These measurements were performed at a wavelength of 850 nm and a temperature of -55 °C using the NATO/FOTP-49 test procedures. When low levels of optical power were used, the maximum attenuation increased by a factor of ten and the recovery time increased by a factor of thirty compared with results at high optical power. Complete recovery required several hours at the lowest optical powers.

Paper Details

Date Published: 8 June 1988
PDF: 7 pages
Proc. SPIE 0867, Optical Devices in Adverse Environments, (8 June 1988); doi: 10.1117/12.965059
Show Author Affiliations
A H Johnston, Boeing Electronics Co. (United States)
B D Evans, Boeing Electronics Co. (United States)
M P Baze, Boeing Electronics Co. (United States)
R A Greenwell, Science and Engineering Associates, Inc. (United States)

Published in SPIE Proceedings Vol. 0867:
Optical Devices in Adverse Environments
Roger A. Greenwell, Editor(s)

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