Universal Surface Roughness Measurement
for PSM Point Source Microscope
Optical Perspectives Group, LLC is pleased to announce that Optical Support, Inc. of Tucson, AZ is manufacturing all of our products, including the Point Source Microscope, the MicroFinish Topographer and the Axicon Centering Station. Optical Support is a vertically integrated, engineering services company specializing in design and manufacturing of precision optical instruments and custom metrology tooling.
This month's PSM application describes measuring the radius of curvature of a spherical surface.
A Point Source Microscope (PSM) was mounted on a motorized vertical stage above a 25 mm diameter, 200 mm efl lens sitting above a plane mirror. A square black paper mask with an 8 mm diameter hole was placed over the lens as shown in the figure below to give an f/25 aperture.
Customers purchasing a PSM often ask me if we offer mounting hardware for the PSM like x-y-z stages.