633 / 1542
3 photon fields: effective photon beam
penumbra ≈ electron beam penumbra
120
110
100
80
90
70
60
50
40
6 MV – 12 MeV junction
1 cm bolus
3 cm
3 cm
12 MeV
SSD=110
|
|
633 / 1542
3 photon fields: effective photon beam
penumbra ≈ electron beam penumbra
120
110
100
80
90
70
60
50
40
6 MV – 12 MeV junction
1 cm bolus
3 cm
3 cm
12 MeV
SSD=110