Dose rate dependence in photon beams
Diodes
This positive dose rate
dependence is often
referred to as
supralinear
.
Diamond
Liquid ion
chamber
Shielded diode
Dose per 4.5
s pulse (150 Hz)
between 0.03 and 0.38 mGy.
Westermark
et al
[3]
6 MV
Djouguela
et al
[7]
2.5%
15 MV
Dose per 3
s pulse
between 0 and 0.3 mGy.
Saini
et al
[8]
6 MV
0.3 mGy per pulse corresponds
to approximately 3-4 Gy/min on
a regular medical accelerator.