Figure 7
Dose profile measured at 20 mm depth in a 10 mm × 10 mm field using the PTW microDiamond detector. One dose point is acquired every 10 µm. The scanning range is 1.6 mm, centred on the beam axis. The PVDR is calculated using the mean of four peak doses and the mean dose in three valleys. The points used for the calculation are represented by the diamond symbols. |