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    • Jayson Nelson

    Manufacturing Technology Manager, Edmund Optics

    Jayson Nelson is Manufacturing Technology Manager at Edmund Optics (Tucson, AZ).

    FIGURE 1. The power spectral density (PSD) is created by taking a Fourier transform of the measured surface [1].
    Lasers & Sources

    White-light interferometry resolves sub-Angstrom surface roughness

    Shawn Iles
    July 14, 2020
    Superpolished surfaces with sub-Angstrom surface roughness have become critical in cutting-edge optical systems, and this high level of precision requires specialized metrology...
    FIGURE 1. Fractures caused by high localized pressure during polishing.
    Optics

    Fabrication of ultralow-roughness surfaces: The Beilby layer

    Shawn Iles
    June 16, 2020
    By focusing on incremental removal of small portions of the Beilby layer, near-perfect optical surfaces are created.