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Two-photon lithography prints in fine detail

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Ashley N. Paddock, [email protected]

A new 3-D printing technology uses two-photon lithography to rapidly create detailed objects on the nano-scale. The technique, which is orders of magnitude faster than similar devices, opens up new areas of application, such as medicine. Developed by scientists at Vienna University of Technology, the printer uses a liquid resin that is hardened by a focused laser beam guided through it by scanning mirrors. The result is a solid polymer line a few hundred nanometers wide. This 285-µm race car was printed at Vienna University of Technology. Images courtesy of TU Vienna. ...Read full article

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    Published: May 2012
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    3-D printer3-D printingAustriaBasic Sciencebiocompatible resinbiological tissueBiophotonicsBioScanEuropeindustrialJan TorgersenJürgen Stampflliquid resinmedical applicationsmonomersnanonanometer-scale printingnanotechnologyNewsphotonicsRobert Liskatwo-photon lithographyVienna University of TechnologyLasers

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