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Home   /   Post Doctorat   /   Calibration of the high dose rate flash therapy beam monitor of the IRAMIS facility

Calibration of the high dose rate flash therapy beam monitor of the IRAMIS facility

Engineering sciences Instrumentation nucléaire et métrologie des rayonnements ionisants Metrology Technological challenges


Ultra-flash beams are pulsed beams of high-energy electrons (over a hundred MeV) with pulse durations in the femto-second range. The IRAMIS facility (CEA Saclay) uses laser acceleration to produce this type of beam, with a view to their application in radiotherapy. The LNHB is in charge of establishing dosimetric traceability for the IRAMIS facility, and to do this it has to calibrate the facility's monitor. Current radiotherapy facilities are based on medical linear accelerators operating at energies of up to 18 MeV in electron mode. LNHB has such equipment. It is used to establish national references in terms of absorbed dose to water, under the conditions of the IAEA protocol TRS 398.
Establishing dosimetric traceability involves choosing the measurement conditions, knowing the transfer dosimeter characteristics used and any corrections to be applied to the measurements taking into account the differences between the IRAMIS Facility and those of LNHB.


Département d’Instrumentation Numérique
Service Instrumentation et Métrologie des Rayonnements Ionisants
Laboratoire National Henri Becquerel pour la Métrologie de la Dose
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