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Fibre optic sensors solutions for particle accelerators

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

Voet, M. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
17th International Conference on Optical Fibre Sensors. Vol.1 : 23.-27.Mai 2005 in Brügge/Belgien
Bellingham/Wash.: SPIE, 2005 (SPIE Proceedings Series 5855)
ISBN: 0-8194-5855-4
International Conference on Optical Fibre Sensors <17, 2005, Brügge>
Conference Paper
Fraunhofer INT ()
fibre sensor; radiation sensor; accelerator; cerenkov light; radiation induced attenuation

Three different fibre optic radiation sensor systems are described. Two are based on the radiation-induced attenuation increase of radiation sensitive doped fibres, whereas with the third system the Cerenkov light generated by relativistic electrons in radiation hard undoped fibres is detected. All three systems are successfully used for beam optimization and dose measurement at three German electron accelerators.