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. 2012 Feb 27;17(2):021108. doi: 10.1117/1.JBO.17.2.021108

Fig. 2.

Fig. 2

Comparison of the spiral and Lissajous scanning patterns. Example scanning paths were drawn for (a) spiral and (b) Lissajous scanning patterns. Area illumination density is shown for (c) spiral and (d) Lissajous scanning, respectively. The color bar indicates the log10 value of the density level normalized by the minimal area illumination intensity of the entire scanned region. Note that low-frequency values (fS=1 and fR=100 for (a), fX=31 and fY=30 for (b)) were adopted solely for illustrating the trajectories in (a) and (b), whereas practical frequency values (fS=1.336 and fR=1,368 for (c), fX=1,368 and fY=1,370 for (d)) were used for simulating the area illumination density in (c) and (d).