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Point in vivo dosimetry and IMRT
Calibration
Effective depth
:
The diodes will
be calibrated to give the dose at
a depth for which the CF
field
is
minimized
Calibration factor
:
Where R
M
is the detector
reading and Dc is the calculated
dose per MU.
Positioning
Expected reading
:
For a calculation point x in a
treatment head setting A.
diode