Megavoltage X-Ray Imaging Based on Cerenkov Effect: A New Application of Optical Fibres to Radiation Therapy

Table 4

The signal scatter fractions of CPID for three clinical beams. Statistical uncertainty for each value is ~1.8%.

Energy (MV)	𝑑=10 cm	𝑑=20 cm	𝑑=30 cm
6	0.19	0.17	0.17
10	0.18	0.16	0.15
18	0.17	0.15	0.14