Table 1.

Fluorescence lifetimes (${\tau }_{\mathrm{mea.}}$) measured for selected fluorophores. ${\tau }_{\mathrm{rep.}}$: reported literature values.

Sample	${\tau }_{\mathrm{mea.}}$ (ns)	${\tau }_{\mathrm{rep.}}$ (ns)
Fluorescein	$3.8\pm 0.2$	4.09
Coumarin 153	$4.9\pm 0.2$	4.810
${\mathrm{PpIX}}_{\mathrm{Ref}.\text{sample}}$	$5.5\pm 0.3$	$5.5\pm 0.2$8