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Microscopic 3D Printing Could Build Structures Inside the Body

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Researchers have used ultrathin optical fibers to create microscopic structures via laser-based 3D printing. The microstructures, which were created on a microscope slide, exhibited a 1.0-µm lateral and 21.5-µm axial printing resolution. The approach could one day be used to build tiny biocompatible structures inside the human body. Current microfabrication techniques rely on two-photon photopolymerization (TPP), a selective curing process that requires complex, expensive lasers and bulky optical systems to deliver light to the photopolymer. The researchers’ use of an...Read full article

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