Dose Course 2018_Flipping book

Correction factors; Field size. Diodes

1,06

30 mm

RX 18 MV

1,04

1,02

26 mm

1,00

CF

P30

0,98

EDP30

QED

0,96

14 mm

isorad-p

PTW

0,94

EDPHL3G

isorad-3

0,92

0

5

10

15

20

25

30

35

40

45

side of the square field (cm)

) z,c( OF

) c(R

ic

max

CF

=

OF

)c( =

size field

OF

)c(

(R

x10

10

)

diode

Jornet et alt, Med. Phys. 2000, Jornet et alt, Estro Booklet,2001