Fig. 1.

Fluence determines ablation depth (ablated region is shown enclosed between red arrows): (a) A single pass (pulse) with fluence of $6.3\mathrm{J}/{\mathrm{cm}}^2$ ablates between $\sim 5$ and 10 μm of tissue, (b) $12.5\mathrm{J}/{\mathrm{cm}}^2$ ablates between $\sim 50$ and 80 μm, (c) $17.5\mathrm{J}/{\mathrm{cm}}^2$ ablates between $\sim 80$ and 100 μm, and (d) $25\mathrm{J}/{\mathrm{cm}}^2$ ablates between $\sim 100$ and 120 μm. With 17.5 and $25\mathrm{J}/{\mathrm{cm}}^2$, a thin line of dessicated tissue was observed on the ablated surface.