2662-2663 / 3107
0.6
0.8
1
1.2
1.4
1.6
1.8
net Optical Density [-]
small pieces of film irradiated with various
doses in the same conditions
f
4. OD(i) =
f
(D
w
(i) )
5. D
w
(i) =
f
-1
(OD(i))
0
0.2
0.4
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Dose [Gy]
f is determined experimentally
- f is ‘sensitometric curve’
- corrects for film non-linearity
Determine dose D
w
(i
) in water
: