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ESTRO IMRT course 2015
Dose Calculation in Static and Rotational IMRT
Brussels October 8th, 2015
-15-
courtesy M. Sikora
Energy spectra of primary photons:
Angular dependence
In front of flattening filter
Behind flattening filter
“Off-axis softening” effect
due to flattening filter:
Angular dependence of energy
spectra behind FF!