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Fibre optic radiation sensor systems for particle accelerators

: Henschel, H.; Körfer, M.; Kuhnhenn, J.; Weinand, U.; Wulf, F.


Nuclear instruments and methods in physics research, Section A. Accelerators, spectrometers, detectors and associated equipment 526 (2004), No.3, pp.537-550
ISSN: 0167-5087
ISSN: 0168-9002
Journal Article
Fraunhofer INT ()
accelerator; free-electron lasers; ionizing radiation; dosimetry; fibre optic sensor

Two different fibre optic dosimeter systems based on the radiation-induced increase of fibre attenuation are presented. The systems allow on-line measurement of the accumulated dose along accelerator beam lines ("distributed" sensor") as well as at fixed positions in selected accelerator sections (local sensors). Fibre properties, system layout and results of measurements obtained during operation of the TESLA Test Facility (TTF) at DESY Hamburg are described.