Calculated Fan Beam Geometric Efficiency () at Various z Values and Angles
Source–collimator surface distance (cm) | ||
Angle (degree) | z = 10 | z = 15 |
1.6216 | 12.0024 | 15.6770 |
3.2419 | 11.9449 | 15.6010 |
4.8595 | 11.8497 | 15.4770 |
6.4733 | 11.7180 | 15.3050 |
8.0818 | 11.5512 | 15.0870 |
9.6839 | 11.3510 | 14.8260 |
11.2783 | 11.1196 | 14.5236 |
12.8638 | 10.8595 | 14.1838 |
14.4393 | 10.5732 | 13.8099 |
16.0035 | 10.2636 | 13.4055 |
17.5555 | 9.9337 | 12.9746 |
19.0942 | 9.5864 | 12.5211 |
20.6186 | 9.2250 | 12.0490 |
22.1277 | 8.8523 | 11.5623 |
23.6206 | 8.4715 | 11.0648 |