Table 2.

Optical parameters of the considered medium. For the phase function, the Henyey–Greenstein function is used. The refractive index $n_i$ must be identical for all layers, while the refractive index outside the medium is set to 1.0.

	${\mu }_s^{\prime }({\text{mm}}^{-1})$	${\mu }_a({\text{mm}}^{-1})$	g	$n_i$
1	2.0	0.02	0.8	1.4
2	1.0	0.003	0.8	1.4
3	0.5	0.04	0.8	1.4