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Old 03-31-2018, 12:57 AM
Paul Thompson Paul Thompson is offline
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3D printed optical quality glass

Scientists successfully print glass optics

Printed as goo apparently, then fused. There goes the neighborhood. All your batch are belong to us.


For the first time, researchers at Lawrence Livermore National Laboratory (LLNL) have successfully 3-D-printed optical-quality glasses, on par with commercial glass products currently available on the market.

In a study published in the journal Advanced Materials Technologies, LLNL scientists and engineers describe successfully printing small test pieces from Lab-developed ink with properties "within range of commercial optical grade glasses."

Because the refractive index of glass is sensitive to its thermal history, it can be difficult to ensure that glass printed from the molten phase will result in the desired optical performance, researchers said. Depositing the LLNL-developed material in paste form and then heating the entire print to form the glass allows for a uniform refractive index, eliminating optical distortion that would degrade the optic's function.
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