Table 3.

Optical coefficients for a selection of tissues

Tissue	λ (nm)	µa (cm−1)
Water	600	0.01
Fat	630	0.52
Lung	780	0.1
Breast	660, 780	0.037–0.05
Bone	650	0.09–0.14
Brain	780	0.15
Muscle (human)	661, 780	0.15–1.08
Skin	630	1.3
Bladder	630	1.4
Liver	630	3.2
Hemoglobin	665	4.87
Oxyhaemoglobin	665	1.30
Muscle (rat)	980	1.8

For further values, see Bhatt et al. (2016), León-Carrión and León-Domínguez (2012), Ntziachristos et al. (2002) and Jacques (2013)