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    • Sam Rubin

    President and CEO, LightPath Technologies

    Sam Rubin is president and CEO of LightPath Technologies (Orlando, FL).

    (Courtesy of LightPath Technologies, based on USGS data)
    FIGURE 1. Together, China and Russia provide 83% of the world’s germanium, with other non-U.S. countries producing about 12%.
    Optics

    Chalcogenide glass gears up for infrared imaging

    Sam Rubin
    Oct. 21, 2022
    Chalcogenide glasses transmit a wide range of infrared (IR) wavelengths and are poised to take over the market for imaging and laser optics in this spectral range. But U.S. manufacturin...