Title

Multi-strip silicon sensors for beam array monitoring in micro-beam radiation therapy

RIS ID

111347

Publication Details

Alagoz, E., Bräuer-Krisch, E., Bravin, A., Cornelius, I., Fournier, P., Hansen, T. E., Kok, A., Lerch, M., Monakhov, E., Morse, J., Pacifico, N., Petasecca, M., Povoli, M., Requardt, H., Rozenfeld, A. D., Salome, M., Sandaker, H. & Stugu, B. (2016). Multi-strip silicon sensors for beam array monitoring in micro-beam radiation therapy. Physica Medica: an international journal devoted to the applications of physics to medicine and biology, 32 (12), 1795-1800.

Abstract

We present here the latest results from tests performed at the ESRF ID17 and ID21 beamlines for the characterization of novel beam monitors for Microbeam Radiation Therapy (MRT), which is currently being implemented at ID17. MRT aims at treating solid tumors by exploiting an array of evenly spaced microbeams, having an energy spectrum distributed between 27 and 600. keV and peaking at 100. keV. Given the high instantaneous dose delivered (up to 20. kGy/s), the position and the intensity of the microbeams has to be precisely and instantly monitored. For this purpose, we developed dedicated silicon microstrip beam monitors. We have successfully characterized them, both with a microbeam array at ID17, and a submicron scanning beam at ID21. We present here the latest results obtained in recent tests along with an outlook on future developments.

Grant Number

NHMRC/1017394

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