TLD: intrinsic energy dependence
)0( )0(
) ( ) (
)0 , (
QMQ TLDD
QMQ TLDD QQ rel
bqk
Tochilin et al. 1968
Values normalized to Co-60
cavity
e l
TLD
X
D
arg
1
X
M
bq
k
CB
:
It was well known that dose to TLD to
produce a unit signal decreases as energy
decreases and LET increases
i
@ h b h
i
Figure from: Attix: Introduction to radiological
physics and radiation dosimetry, © 2004 by
Wiley VCH Verlag GmbH & Co
1
rel
k
.e.:
t e rac y energ es
or equivalently: TLD over-responds
(more signal per unit dose) at lower
-
bq
energies due to LET increase




