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Proceedings Paper

Neutron fluence and dose measurements by optical fibers
Author(s): Henning Henschel; Otmar Koehn; S. Metzger; Marc C. Decreton; Paul de Vos; Olivier Deparis; Johannes Kirchhof; Stephan Grimm
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Paper Abstract

It is shown that fibers doped with (Ge + P) or with (GE + B) can be used with good accuracy for fluence determinations of fast or slow neutrons, respectively, when they are calibrated at sources of known flux. Calibration at easily available gamma sources, as well as fast neutron dose determination, are complicated by the facts that energetic recoil protons generated by fast neutrons in H-containing fiber coatings contribute to the dose in the fiber core, and that the highly ionizing secondary particles released by fast and slow neutrons will cause significantly lower light absorption than beta or gamma rays of the same dose.

Paper Details

Date Published: 27 February 1997
PDF: 6 pages
Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); doi: 10.1117/12.267918
Show Author Affiliations
Henning Henschel, Fraunhofer-Institut INT (Germany)
Otmar Koehn, Fraunhofer-Institut INT (Germany)
S. Metzger, Fraunhofer-Institut INT (Germany)
Marc C. Decreton, SCK-CEN (Belgium)
Paul de Vos, SCK-CEN (United States)
Olivier Deparis, SCK-CEN (United Kingdom)
Johannes Kirchhof, IPHT (Germany)
Stephan Grimm, IPHT (Germany)


Published in SPIE Proceedings Vol. 2867:
International Conference Neutrons in Research and Industry
George Vourvopoulos, Editor(s)

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