Table 1. Bilayer Phantom composition.

		Layer 1		Layer 2
		Epidermis		Dermis
Phantom Number		FAD μM	Polystyrene beads (%volume fraction)	Hb μM	Polystyrene beads (% volume fraction)
1		200	0.45	15	0.45
2		200	0.45	46	0.45
3		200	0.45	Nil	0.45
4		200	0.45	Nil	Nil
5	(Dysplastic)	200	0.80	46	0.30
6	(Normal)	100	0.45	15	0.45
7		100	0.45	46	0.45
8		100	0.45	Nil	0.45
9		100	0.45	Nil	Nil
10		100	0.45	15	0.30
11		100	0.80	15	0.45