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Researchers at Lawrence Livermore National Laboratory (LLNL) used multimaterial 3D printing to develop tailored gradient refractive index glass optics, delivering a result that could enable the manufacture of improved military specialized eyewear and virtual reality goggles. The technique has the potential to realize a variety of conventional and unconventional optical properties in a flat glass component, expanding the versatility in performance of environmentally stable glass materials.
The team tailored the gradient in material compositions by controlling the ratio of two different glass-forming pastes or “inks” blended together inline using the direct ink writing method of 3D printing. After completing the…READ MORE