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

Table 5

The DQE at zero frequency of CPID for three clinical beams. Statistical uncertainties for each value is ~0.8%.

d/cm	6 MV beam	10 MV beam	18 MV beam
10	20.8%	22.9%	23.2%
20	31.5%	36.0%	37.0%
30	37.1%	43.5%	45.3%