A research team developed a 3-D printing process to make a high-quality, low-cost optical lens that could be fabricated a lot quicker than conventional methods and used in a number of applications for the optical and medical industries.
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Engineers at Northwestern University’s McCormick School of Engineering (Evanston, Ill.) are working on a new lens that could be used for biomedical research and security imaging: a terhertz lens created by a light-powered 3-D printer.
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