Figure 1
(a) X-ray detection efficiency for 300 µm-thick Si (squares), 200 µm- and 300 µm-thick GaAs (triangles and circles, respectively); (b) Measured MTF for 3 ROIC coupled to 300 µm-thick Si and to 200 µm-thick GaAs compared with commercial Si CCD and scintillator-coated Si CCD used in dental imaging. |