Dose Course 2018_Flipping book

Temperature effects

• Diodes

• Diamond

PTW diamond detector 60003 has a temperature dependence of approx. 0.1% per  C (De Angelis et al [15])

• Open air ion chamber

1/293 = -0.34 % per  C

Average (pre-irradiated only): 0.31 0.30 0.34

Saini et al [8]

• Liquid ionisation chamber

TMS (LIC)

In relative dosimetry during one single measurement session the effects caused by temperature variations can normally be neglected. However, in vivo dosimetry…

 -0.04 % per ºC

Wickman et al [9]