Dose Course 2018_Flipping book

Organic scintillator (W1 Standard Imaging)

• Good water equivalence for high energy photon and electron beams

Result

Uncertainty

Test

Short-term repeatability (@0.75 Gy) Short-term repeatability (@0.15 Gy)

σ = 0.10%

0.07%

σ = 0.25%

0.05%

Dose-response linearity

RMS = 0.61 %

0.20%

Angular dependence

RMS = 0.21 %

0.07%

-0.225 %·⁰C -1

0.008%·⁰C -1

Temperature dependence

Time to reach thermal equilibrium*

1 min 40 s

16 s

Repetition rate dependence

RMS = 0.53 %

0.06%

Deviation from ISL

RMS = 0.38 %

0.26%

-0.28%·kGy -1 [0-15 kGy] -0.032%·kGy -1 [15-127 kGy]

0.06%·kGy -1 0.018%·kGy -1

Loss of sensitivity with accumulated dose