Results of PSF measurements
| Variable | FWHM, in mm | |||
|---|---|---|---|---|
| Aquilion 64 | Brilliance 64 | LightSpeed 64 | Sensation 64 | |
| In-plane | 0.68 | 0.52 | 0.68 | 0.48 |
| Longitudinal | 0.81 | 0.84 | 0.98 | 0.70 |
| Ratio in-plane/longitudinal | 0.84 | 0.62 | 0.69 | 0.69 |
Note:—PSF indicates point spread function; FWHM, full width half maximum.