Dose Course 2018_Flipping book
calculation techniques:
What about beam divergence and the inverse square law?
Fluence scaled to the depth of calculation and integration (convolution) carried out over the field size at depth:
p
(
)
(
) (
)
, x x y y z x y − − , d d
, , D x y z
, x y
=
Field
2
ref z z
z
z
p
(
)
(
)
, x y
, x x y y z x y − − , d d
, , D x y z
=
ref
z
z
z
ref
ref
Field
ref
z
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