Table 3. Nonlinear Absorption Coefficients (β) of B2/PU and B3/PU Extracted in Z-Scan Experiments.

ns			ps
	β (10–11 m/W)			β (10–11 m/W)
mass fraction (%)	B2/PU	B3/PU	mass fraction (%)	B2/PU	B3/PU
0.05	8	13	0.05	0.75	0.74
0.07	22	20	0.07	0.92	0.80
0.1	38	26	0.1	1.00	0.88