Table 1 Technical specifications of Biograph Vision and Biograph mCT

Crystals

LSO, 3.2 × 3.2 × 20 mm

LSO, 4.0 × 4.0 × 20 mm

Detector elements

Silicon photomultipliers

Photomultiplier tubes

Axial FOV

26.1 cm

22.1 cm

TOF timing resolution

210–215 ps

540 ps

Transverse spatial resolution (measured at 1 cm vertically from the centre of the FOV with ¹⁸F)

3.7 mm (FWHM)

4.4 mm (FWHM)

Sensitivity (according to NEMA NU-2 2012)

16.4 kcps/MBq

10.0 kcps/MBq

Time coincidence window

4.7 ns

4.1 ns

Energy window

435–585 keV

435–650 keV

Bed overlap

49%

43%