Table 2.

The optical properties of skin and cartilage (absorption ${\mu }_a$ and reduced scattering ${\mu }_s^{\prime }$ coefficients) used for Monte Carlo simulations.^16,41

	Thickness, mm	$n$	${\mu }_a$, ${\mathrm{mm}}^{-1}$		${\mu }_s^{\prime }$, ${\mathrm{mm}}^{-1}$
			405 nm	660 nm	405 nm	660 nm
Skin	0.4	1.45	1.3	0.3	5.4	4.6
Cartilage	0.2	1.4	0.08	0.01	3	1