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Table 1 Comparison of the elevational resolution before and after SAFT

From: Improvement in resolution of fiber-laser photoacoustic tomography based on a virtual-point concept

Systems and improved resolution Depth from the focus (mm)
2.5 11.5 19.1 28.6 37.1
Original system (elevational, mm) 0.43 1.75 3.6 6.4 8
SAFT system (elevational, mm) 0.64 0.69 0.7 0.68 0.7