Dose Course 2018_Flipping book

Method: single channel

Irradiated EBT2 film (2.25Gy)

Beer-Lambert law:

10 x 10 cm 2 6 MV field

OD dye thikness

2D dose map

We can’t discriminate between non-dose dependent parameters (i.e. thickness, non homogeneity scan response) and dose depedent parameters

EBT2 calibration curve (red channel, 16bits)

Images from: Micke et al. Med. Phys. 38(5) (2011)

Uncertainty budget