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Table 2 The measured and optimized DLG and MLC transmission values for different photon energies

From: A simple method for determining dosimetric leaf gap with cross-field dose width for rounded leaf-end multileaf collimator systems

 

6 MV

6 MV-FFF

10 MV

10 MV-FFF

MLC transmission (%)

Measured

1.74

1.39

2.05

1.70

Optimized

1.80

1.60

2.00

1.90

DLG (mm)

Measured- ion chamber, gN

0.94

0.75

1.10

0.95

Measured- ion chamber, gD

1.43

1.15

1.66

1.43

Measured- Film

1.36

1.26

1.45

1.54

Optimized

1.40

1.35

1.50

1.45