| style="width:250px;" | Used for scattering computations
| style="width:250px;" | Stand-alone source
| style="width:200px;" | [[EM.Tempo]], [[EM.Illumina]], [[EM.Picasso]], [[EM.Libera]]
|-
| '''[[Glossary of EM.Cube's Excitation Sources#Gaussian Beam |Gaussian Beam Source]]'''
| style="width:250px;" | Used for modeling focused beams
| style="width:250px;" | Stand-alone source
| style="width:200px;" | [[EM.Tempo]]
|}