Set of 10 Balls for use with PSM
These 0.5” diameter chrome steel balls are Grade 5, the best quality that can be purchased in quantity. The balls are round to 125 nm with a surface finish of 1.25 nm rms, effectively diffraction limited convex mirrors with a radius of curvature of 6.35 mm ± 125 nm and a reflectivity of about 65%. These balls are ideal for use with the PSM for transferring mechanical locations of optical conjugates to the optics themselves to less than 1 μm.