ESTRO course Dose Modelling and Verification 2017

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1020 i.c.

0.080 cm

3

24x24 cm

2

729 i.c.

0.125 cm

3

27x27 cm

2

MatriXX

(IBA)

Seven29

(PTW)

Limited spatial resolution.

Diodes : energy-dose-rate dependence, need recalibration (6 months)

i.c.: volume averaging effects

Mapcheck2

(Sun Nuclear)

1527 diodes

0.000019 cm

3

.

32x26cm

2

Build up 2cm –Backscatter 2.3cm

2D: Detector arrays