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Optical absorption in commercial single mode optical fibers in a high energy physics radiation field

: Wijnands, T.; Jonge, L.K. de; Kuhnhenn, J.; Höffgen, S.K.; Weinand, U.

Postprint urn:nbn:de:0011-n-900777 (4.7 MByte PDF)
MD5 Fingerprint: c6f3f8b49df227bb59f655f9f07f87e0
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Created on: 25.9.2010

9th European Conference on Radiation and its Effects on Components and Systems, RADECS 2007. Proceedings : Deauville, France, September 10-14, 2007
New York, NY: IEEE, 2007
ISBN: 978-1-4244-1704-9
European Conference on Radiation and its Effects on Components and Systems (RADECS) <9, 2007, Deauville>
Conference Paper, Electronic Publication
Fraunhofer INT ()
gamma rays; high energy radiation field; industrial production; optical fiber; quality assurance; radiation induced attenuation

This paper reports on the radiation induced attenuation of light at 1310 nm and 1550 nm in 12 commercially available single mode (SM) optical fibers. The fiber samples are exposed to gamma rays from a ${60}{hbox {Co}}$ source and to a high energy physics radiation field. The attenuation is studied as a function of total dose, dose rate, light power and temperature. Radiation hard fibers from one manufacturer show an extraordinary low attenuation for light at 1310 nm that does not exceed 5 dB/km even after a total dose of 1 MGy. 2500 km of this type of fiber have been produced by the manufacturer and quality assurance measurements of the production batches are presently ongoing.