Extended Data Fig. 2: Cramér-Rao lower bound for the localization uncertainty.
From: Single-molecule dynamic structural biology with vertically arranged DNA on a fluorescence microscope

σz,CRB denotes the theoretically attained axial precision and z the distance to graphene. The dependency is shown for three different numbers of photons N. An unquenched fluorescence lifetime of 3.51 ns was used. a) \({{SBR}}_{z=\infty }=10\) and b) \({{SBR}}_{z=\infty }=75\).