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    • Shane Santi

    Founder and President, Dream Aerospace Systems

    Shane Santi is founder and president of Dream Aerospace Systems (Nazareth, PA).

    Optics

    Can you read a spot diagram?

    Shane Santi
    Dec. 19, 2023
    To choose the best optical design, buyers and engineers must be able to assess spot-diagram claims.
    FIGURE 1. A bubble-free, double-conical, polished lightweight mirror has a 396 mm CA (a), and a view from the side shows the rib design (b).
    Optics

    Optical Manufacturing: Lightweight, bubble-free cast mirrors have no 'print-through'

    Shane Santi
    May 9, 2016
    Conventional machines can be used to finish lightweight mirrors with no print-through, allowing the enormous benefits of lightweight mirrors to find wider use.