[[Image:po_phys52.png|thumb|300px|EM.Illumina's Frequency Settings dialog.]]
You can run EM.Illumina's PO simulation engine in the sweep mode, whereby a parameter like frequency, plane wave incident angles or a user defined variable is varied over a specified range at predetermined samples. The output data are saved into data files for visualization and plotting. [[EM.Cube]]'s [[PO Module]] Illumina currently offers three types of sweep:
# Frequency Sweep