SMP Results on SSI

Target surface, PV 27.2 microns Surface after SMP, PV 30.4 microns
 

Surface with the cylinder removed, PV ~5 microns mechanical aperture
 

The residual surface form and figure remaining after SMP was at the level of
5 microns PV.  The amount of the material needed to be removed
by MRF was reduced by 5x.