Table 3.

Absorption coefficient ${\mu }_{\mathrm{a}}$ and reduced scattering coefficient ${\mu }_{\mathrm{s}}^{\prime }$ (mean ± 1SD) of Asian epidermis, dermis, and subcutaneous fat at typical wavelengths available for laser skin treatments.

Wavelength (nm)	Epidermis		Dermis		Subcutaneous fat
	${\mu }_{\mathrm{a}}$ (${\mathrm{mm}}^{-1}$)	${\mu }_{\mathrm{s}}^{\prime }$ (${\mathrm{mm}}^{-1}$)	${\mu }_{\mathrm{a}}$ (${\mathrm{mm}}^{-1}$)	${\mu }_{\mathrm{s}}^{\prime }$ (${\mathrm{mm}}^{-1}$)	${\mu }_{\mathrm{a}}$ (${\mathrm{mm}}^{-1}$)	${\mu }_{\mathrm{s}}^{\prime }$ (${\mathrm{mm}}^{-1}$)
405	$3.32\pm 1.51$	$9.95\pm 2.02$	$0.43\pm 0.10$	$6.46\pm 1.77$	$0.62\pm 0.34$	$2.56\pm 0.94$
532	$1.44\pm 0.69$	$7.04\pm 1.48$	$0.10\pm 0.03$	$3.96\pm 0.89$	$0.15\pm 0.07$	$1.89\pm 0.45$
595	$1.13\pm 0.53$	$6.02\pm 1.33$	$0.07\pm 0.02$	$3.35\pm 0.71$	$0.09\pm 0.05$	$1.77\pm 0.33$
632	$0.94\pm 0.41$	$5.55\pm 1.25$	$0.07\pm 0.02$	$3.06\pm 0.62$	$0.07\pm 0.03$	$1.72\pm 0.30$
694	$0.72\pm 0.29$	$4.89\pm 1.15$	$0.06\pm 0.02$	$2.64\pm 0.53$	$0.06\pm 0.02$	$1.60\pm 0.26$
755	$0.49\pm 0.19$	$4.28\pm 1.04$	$0.05\pm 0.01$	$2.20\pm 0.43$	$0.04\pm 0.02$	$1.43\pm 0.22$
800	$0.39\pm 0.15$	$3.98\pm 1.00$	$0.05\pm 0.01$	$2.01\pm 0.39$	$0.04\pm 0.02$	$1.37\pm 0.20$
980	$0.17\pm 0.09$	$3.17\pm 0.85$	$0.07\pm 0.01$	$1.45\pm 0.29$	$0.04\pm 0.02$	$1.18\pm 0.17$
1064	$0.13\pm 0.10$	$2.85\pm 0.86$	$0.05\pm 0.01$	$1.34\pm 0.29$	$0.03\pm 0.02$	$1.11\pm 0.16$