For more information on FRED's LED modeling capabilities read the LED Modeling Application note here.

For more information on FRED's coherent Gaussian Beam propagation read the Coherent Application note here and the Laser Application note here. For a specific example on slit diffraction and how to use the Coherent Field Synthesis dialog read the Slit Diffraction Application note here.

For more information on FRED's stray light capabilities read the Stray Light Application note here.

For more information on FRED's display capabilities read the Display Application note here.

For more information on FRED's thermal imaging capabilities read the Thermal Imaging Application note here.

FRED model of Human Tissue as demonstrated in the Biomedical Application note.

FRED capability to model LEDs like the Osram LED above is explained in the LED Modeling Application Note

FRED Cassegrain Telescope model with rays traced as demonstrated in the Stray Light Application Note

FRED Energy density plot demonstrating the Partial Coherence Capability as demonstrated in the Coherent Application Note

FRED  Thermal Capability showing a model of a man thermally imaged through a singles as demonstrated in the Thermal Application Note

FRED model of Curved Lightpipe with 3 LEDs as demonstrated in the Display Application note