Table 2. Estimated focus depth set at the sample surface for the phantom samples.

μs	2.1 mm−1	4.3 mm−1	6.4 mm−1	8.5 mm−1	10.7 mm−1
zf0	−57.48 μm	−6.33 μm	−5.33 μm	22.68 μm	48.71 μm