Construction of an Anthropomorphic Phantom for Use in Evaluating Pediatric Airway Digital Tomosynthesis Protocols

Table 2

Measured Half Value Layer (HVL) thicknesses of the phantom (in mm) at 60, 80, 100, and 120 kVp energy for the X-ray unit used.

	60	80	100	120
Plain beam (mm Al)	2.4	3.2	3.9	4.7
Phantom (mm)	3.4	4.2	4.8	5.5