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Proceedings Paper

Neutron testing of high-power optical fibers
Author(s): M. Cheeseman; M. Bowden; A. Akinci; S. Knowles; L. Webb
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Paper Abstract

A selection of commercially available high-power optical fibres have been characterised for radiation susceptibility in Sandia’s Annular Core Research Reactor (ACRR). The fibres were subjected to a total gamma and neutron dose >2 Mrad(Si) in a 7 ms pulse. The neutron fluence was >1015 n/cm2. Changes in the transmission characteristics of optical fibres carrying high energy, short duration laser pulses (power densities of around 1.5 GW/cm2) were measured. All fibres survived at least two consecutive radiation exposures, showing typical transient transmission losses of around 20%. Post radiation exposure, the transmission characteristics returned to those of pristine fibres within one minute.

Paper Details

Date Published: 4 December 2012
PDF: 17 pages
Proc. SPIE 8530, Laser-Induced Damage in Optical Materials: 2012, 853018 (4 December 2012); doi: 10.1117/12.977489
Show Author Affiliations
M. Cheeseman, AWE plc (United Kingdom)
M. Bowden, AWE plc (United Kingdom)
A. Akinci, Los Alamos National Lab. (United States)
S. Knowles, AWE plc (United Kingdom)
L. Webb, AWE plc (United Kingdom)

Published in SPIE Proceedings Vol. 8530:
Laser-Induced Damage in Optical Materials: 2012
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; M J Soileau, Editor(s)

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