Table 1.
Measured HVL at each spectral condition.
| Kilovoltage (kVp) | HVL (mm Al) | |
|---|---|---|
| Mo–Mo | W–Rh | |
| 23 | 0.249 | 0.453 |
| 26 | 0.332 | 0.483 |
| 28 | 0.354 | 0.503 |
| 30 | 0.373 | 0.515 |
| 32 | 0.386 | 0.531 |
| 35 | 0.407 | 0.551 |
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