Table 3 Output factors for the square fields and each beam energy with and without Dolphin
Field size (cm2) | Beam energy | |||||||
|---|---|---|---|---|---|---|---|---|
Output factor with Dolphin | Output factor without Dolphin | |||||||
6 MV | 6 aFFF | 10 MV | 10 FFF | 6 MV | 6 FFF | 10 MV | 10 FFF | |
3 × 3 | 0.882 | 0.897 | 0.881 | 0.919 | 0.833 | 0.847 | 0.849 | 0.886 |
5 × 5 | 0.930 | 0.941 | 0.936 | 0.963 | 0.892 | 0.902 | 0.914 | 0.940 |
7 × 7 | 0.966 | 0.971 | 0.968 | 0.981 | 0.942 | 0.949 | 0.956 | 0.970 |
9 × 9 | 0.991 | 0.991 | 0.991 | 0.995 | 0.982 | 0.984 | 0.984 | 0.990 |
10 × 10 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
12 × 12 | 1.019 | 1.012 | 1.016 | 1.008 | 1.026 | 1.024 | 1.021 | 1.013 |
15 × 15 | 1.039 | 1.028 | 1.034 | 1.017 | 1.059 | 1.051 | 1.046 | 1.029 |
20 × 20 | 1.068 | 1.048 | 1.057 | 1.029 | 1.102 | 1.084 | 1.077 | 1.047 |