Table 1.

Physical parameters used for the tissue phantoms validation sets.

Set No.	Absorber	Scatterer	${\mu }_{\mathrm{s}}^{’}$ (mm−1)	μa (mm−1)
1	Red 40	0.35 μm spheres	1.5	0–1.0
2	Red 40	0.35 μm spheres	0.8–2.4	0.5
3	India Ink	Multiple sizes	1.0	0–0.8