45
10
20
30
40
Varied collimator fieldwidth
0.90
0.95
1.00
1.05
1.10
Head scatter factors for KSClinac 2100C, 18 MV
Energy fluence at isocenter
Energy fluence at isocenter for 10x10 cm 2
Outercollimator varied
Innercollimator varied
Square fields
Field sizes at which the entire
flattening filter is viewed
Characterization result
Measurements