Table 1.

Summary of nonlinear absorption coefficients for all dyes recorded using the Z-scan technique.

	Concentration (mol L−1)	On axis intensity, I0 W/m2	ESA coefficient α2 m/W
ZnPc	1.71 × 10−05	1.54 × 1012	2.88 × 10−10
ZnTPP	9.54 × 10−05	1.93 × 1012	4.97 × 10−10
MeO2BODIPY	1.83 × 10−05	1.19 × 1012	4.64 × 10−10
		2.1 × 1012	4.37 × 10−10
		2.76 × 1012	3.35 × 10−10
		3.31 × 1012	3.22 × 10−10
MeO2-aza-BODIPY	1.65 × 10−05	2.14 × 1012	3.14 × 10−10
aza-BODIPY	1.03 × 10−05	2.78 × 1012	1.71 × 10−10
BODIPY	3.72 × 10−05	Saturation Intensity = 1.25×1011 W/m2