Previous Page  305 / 1245 Next Page
Information
Show Menu
Previous Page 305 / 1245 Next Page
Page Background

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.