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    • Mike Zecchino

    Technical Communications, 4D Technology

    Mike Zecchino is in technical communications at 4D Technology, Tucson, AZ.

    FIGURE 1. An optical profiler mounted on a robot provides roughness metrology for large or highly curved optics.
    Test & Measurement

    Robot-mounted optical profiler measures surface roughness

    Mike Zecchino
    Nov. 17, 2020
    A robot-mounted dynamic optical profiler provides automated roughness measurements for large and complex optics.
    A transparent dome mounted for measurement with a short coherence laser interferometer.
    Test & Measurement

    Short coherence laser interferometer measures transparent domes

    Mike Zecchino
    July 14, 2020
    Combining a short coherence source with an adjustable path-match mechanism makes it possible to isolate and measure the front and back surfaces of transparent components as thin...
    (Courtesy of Prism Solar Technologies)
    FIGURE 1. Holographic film (left), when used in a planar concentrator, collects light in areas not populated with PV cells (above). A mono-facial module design uses 50% less silicon than a conventional panel (right).
    Optics

    OPTICS FOR SOLAR ENERGY: Holographic planar concentrator increases solar-panel efficiency

    Mike Zecchino
    Dec. 1, 2008
    In a holographic planar concentrator, holographic film diffracts usable frequencies of sunlight, and guides that energy toward strips of solar cells, resulting in a solar module...