Fig. 8. Spiral scan and frame isolation for image reconstruction.

a Dimensions of the elliptical shaped spiral scan pattern, operated at 8005 Hz with 10 Hz AM for parallel lines with 5 μm linewidth and 5 μm gap act as target pattern (see Fig. 7a). b Microscopy image of the elliptical scan over parallel lines. The AM is temporarily turned off for a clear picture. c Isolating data frames from the driving voltage. A frame is defined from the maximum voltage to the minimum voltage and from minimum to maximum so that the frame rate is twice the AM frequency. d Schematic of the sinusoidal radius concentric circle. The radii of the concentric circles change sinusoidally instead of linearly