Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Plots demonstrating the distribution of lateral-X (A), lateral-Y (B) and axial (C) FWHM values determined by three of the four analysis software packages (PyCalibrate – yellow triangles, PSFj – orange circles and MetroloJ QC – green diamonds). The software packages analysed confocal image stacks of six different feature sizes in a PSFcheck slide.
