IMRT 2018

Kernel-based methods: Convolution/Superposition

more realistic situation: Poly energetic incident photons, Homogeneous medium (water)

Dose in point r…





 

( ) r

( ) ( ,

)

3

D

dE

s rEhsETsd

=

,

−

 

polyenergetic primary photon source

3+1D- superposition:

weighted superposition of dose contributions for different energies

→ numerical less expedient than the previous idealized situation

s

r

ESTRO IMRT course 2017 Dose Calculation in Static and Rotational IMRT Madrid April 13th, 2017

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