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Dose range / linearity / saturation:
where: k
l
is the
intrinsic
linearity
(normalized to 1 @
some D
0
) and α relates D
0
to
M(D
0
)
•
Detector response is linear if k
l
is 1 for any D, M(D)
•
!!!This is not always the case!!!
) (
)) (
(
)
(
det
DM
D
Mlk D
D
=
Figure from:
Rogers & Cygler (Eds), Clinical dosimetry measurements in radiotherapy (2009 AAPM Summer School), Monograph No. 34,
Medical Physics Publishing 2011