CPB Ljubljana 2018 course book

Practical Example: Bebig 192 Ir-HDR Source

z

θ = 40 °

R = 3.0cm

S

= 40.000 U

K

y

Λ = 1,108 cGy/(hU)

s = 3.5 mm

L

G(r 0 ) = G(1cm, 90 o ) = 0,99 cm -2 G(r, θ) = G(3cm, 40 o ) = 1/r² = 1/9 cm -2 = 0,11111 cm -2 0 , θ

0 ) = 0,012346 cm -2 / 0,99 cm -2 = 0,1122334

G(r, θ) / G(r 0

, θ