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Influence of dose rate on radiation induced loss in optical fibres

: Henschel, H.; Köhn, O.; Schmidt, H.U.

Postprint urn:nbn:de:0011-px-183955 (465 KByte PDF)
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Copyright 1991 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Created on: 25.9.2010

Tam, S.-C. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical systems in adverse environments : Singapore, 22.-27.10.1990
Bellingham, WA: SPIE, 1991 (Proceedings of SPIE 1399)
ISBN: 0-8194-0482-9
Asia-Pacific Conference on Optical Technology (APCOT) <1990, Singapore>
Conference Paper, Electronic Publication
Fraunhofer INT ()
continuous irradiation; fibre temperature; optical fibres; radiation dose rate; radiation induced loss

To determine systematic trends that possibly allow extrapolation of the results of continuous irradiations to low dose rates four different fibers were exposed to dose rates between 0.05 rd/s and 180 rd/s of a Co-60 source and to the pulsed radiation of a flash X-ray facility. Data obtained show that in some cases extrapolation of the induced losses measured in this dose rate range to higher dose rates yields nearly exactly the results of pulsed irradiations with about 10 exp 11 to 3 x 10 exp 12 rd/s so that the extrapolation down to values of 10 exp -5 seems to be allowed too.