Article ID Journal Published Year Pages File Type
1888359 Radiation Measurements 2013 4 Pages PDF
Abstract

The depth-dose-profile and the transversal beam profile of a 6 MV photon beam are measured by means of Eu-doped silica optical fibres. In both cases, a non-negligible influence of the stem effect was observed as consequence of the change in the relative contribution of the Cerenkov light while varying the vertical and lateral position of the fibre. The approach for removing the spurious luminescence signal based on the radioluminescence (RL) spectral analysis proved to be effective and independent of the irradiation configurations.

► Eu-doped silica optical fibres are used to measure the profiles of a radiotherapic beam. ► The Cerenkov light spectrum is dependent on the irradiation configurations. ► The RL spectral analysis method is suitable for removing the stem effect.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Radiation
Authors
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