Table 2. Optical properties of the liquid tissue phantoms used in the study. The material used to provide the distinct Raman signal at given locations was trans-stilbene.

	μ′s (cm−1)	μa (cm−1)
Phantom 1	13.82	0
Phantom 2	13.82	0.37
Phantom 3	13.82	0.8
Phantom 4	13.82	1.22
Phantom 5	13.82	1.63
Phantom 6	4.6	0.8
Phantom 7	9.2	0.8
Phantom 8	18.4	0.8
Phantom 9	23.04	0.8