Dose Course 2018_Flipping book

How to go from our reading to dose to media?

Dose measurements

f

= d·S

+(1-d) · [μ

/ρ]

,

Q

w,med

en

w

med

d=1 small (Bragg Gray) cavities d=0 large cavities (photon detectors)

D

= M x F

x f

med

cal

Q

Ionisation chambers in High Energy X-ray Beams

-Bragg Gray Cavity [electron sensor, range of

electrons>cavity] f Q

=S

w,med

-If it isn’t a Bragg Gray Cavity f Q

= [μ

/ρ]

High density detectors such as diodes, MOSFET,

en

w, med

diamonds for High Energy X-ray beams

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