Table 1.

Main optical properties determined in this study and published in the available literature.

	$\lambda$ (nm)	${\mu }_a$ (${\mathrm{mm}}^{-1}$)	${\mu }_s^{\prime }$ (${\mathrm{mm}}^{-1}$)
EDS (7 days)	457	$0.82\pm 0.03$	$4.94\pm 0.10$	This study
	488	$0.85\pm 0.01$	$4.87\pm 0.05$
	514	$0.75\pm 0.01$	$4.43\pm 0.05$
	633	$0.82\pm 0.01$	$2.90\pm 0.01$
EDS (14 days)	457	$0.63\pm 0.04$	$4.12\pm 0.17$
	488	$0.63\pm 0.01$	$4.08\pm 0.25$
	514	$0.52\pm 0.09$	$3.31\pm 0.23$
	633	$0.58\pm 0.04$	$2.42\pm 0.08$
EDS (21 days)	457	$0.85\pm 0.06$	$4.58\pm 0.40$
	488	$0.86\pm 0.08$	$4.06\pm 0.36$
	514	$0.73\pm 0.04$	$3.38\pm 0.41$
	633	$0.90\pm 0.08$	$2.85\pm 0.27$
EDS (28 days)	457	$0.72\pm 0.06$	$6.51\pm 0.36$
	488	$0.68\pm 0.05$	$5.50\pm 0.23$
	514	$0.56\pm 0.03$	$5.15\pm 0.30$
	633	$0.54\pm 0.02$	$3.84\pm 0.19$
Control skin sample	457	$0.67\pm 0.02$	$4.45\pm 0.15$
	488	$0.60\pm 0.04$	$3.57\pm 0.28$
	514	$0.54\pm 0.01$	$3.04\pm 0.13$
	633	$0.39\pm 0.08$	$1.75\pm 0.13$
Stratum corneum	450	$1.16$	$4.52$	Ref. 47
	500	1.05	4.19
	550	0.98	3.87
	650	0.82	3.22
Piglet skin (epidermis + dermis)	630	$0.1\pm 0.01$	$2.27\pm 0.08$	Ref. 48
Caucasian skin	400	1.35	3.43	Ref. 49
	500	0.62	2.51
	600	0.38	1.87
Epidermis	450	1	9	Ref. 50
	500	0.7	7
	550	0.45	6
	630	0.25	5
Dermis	450	0.6	6
	500	0.35	4.5
	550	0.25	3.5
	630	0.15	3