Dosimeter characteristics/requirements :
(1) Sensitivity
: must be high enough for low dose rate measurements. If the
sensitivity is too high, it may cause rapid saturation at high dose rate
(2)
Adequate
dose range
and (preferably)
linearity of the response
as a
function of accumulated dose
(3) Insensitivity of response to influence quantities
(dose rate, temperature,
pressure, directional effect, accumulated dose, etc.): response should be
independent, or variation should be known or measurable in order to perform
adequate correction
(4) Energy response
: preferably independence of response as a function of energy
(5) Repeatability
: stability for repeated measurements over a short period of time
& Reproducibility
: stability of material, construction, etc. over a long period of
time
(6) Accuracy/precision
: the derivation of the dose from the dosimeter response
must be possible with minimum uncertainty, but the requirements may differ for
different applications
Quoted from:
Mayles, Nahum, Rosenwald (Eds): Handbook of radiotherapy physics: theory and practice,
© 2007 by Taylor & Francis Group LLC