. Author manuscript; available in PMC: 2015 Jun 30.

Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2004 Jun 24;5315:113–124. doi: 10.1117/12.529827

Table 1.

Ratio of peak fluence rate in tissue between a circular beam and a broad beam (R = 8 cm). The absorption coefficient μ_a varied between 0.1 and 1 cm⁻¹ and the reduced scattering coefficient μ_s’ is fixed at 10 cm⁻¹.

μ_eff (cm⁻¹) \ R (cm)	θ_inc	0.1	0.25	0.35	0.5	0.75	1.0	1.5	2	8
1.7	0	0.295	0.543	0.661	0.782	0.941	0.982	0.994	0.999	1.000
	45	0.332	0.596	0.718	0.837	0.987	1.022	1.033	1.037	1.037

3.9	0	0.416	0.703	0.819	0.913	0.992	0.999	1.000	1.000	1.000
	45	0.477	0.795	0.914	1.008	1.084	1.091	1.092	1.092	1.092

5.5	0	0.507	0.793	0.891	0.959	0.998	1.000	1.000	1.000	1.000
	45	0.579	0.900	1.003	1.074	1.114	1.115	1.116	1.116	1.116