Table 2. Optical phantom parameters.

		735 nm			850 nm
Layer #	Thichness (mm)	μa (mm−1)	μs’ (mm−1)		μa (mm−1)	μs’ (mm−1)
L1 (Skull)	10	0.021	0.939		0.019	0.904
L2 (CSF)	2	0.001	0.025		0.001	0.025
L3 (Gray Matter)	4	0.019	0.612		0.017	0.577
L4 (White Matter)	80	0.013	0.965		0.011	0.930