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AR Coating Technique Streamlines 3D-Printed Micro-Optics

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Researchers at the University of Stuttgart have developed a low-temperature atomic layer deposition (ALD) technique for applying antireflective (AR) coatings to lens surfaces in multi-lens systems. The technique could reduce reflectivity and enhance transmission in complex, 3D-printed micro-optics systems consisting of lenses as small as 600 µm. As a manufacturing technique for optical elements, 3D printing has many advantages, including the capabilities to create freeform surfaces such as aspheric lenses and to print multi-lens systems in perfect alignment. 3D-printed multi-lens...Read full article

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    Published: May 2022
    Glossary
    3d printing
    3D printing, also known as additive manufacturing (AM), is a manufacturing process that builds three-dimensional objects layer by layer from a digital model. This technology allows the creation of complex and customized structures that would be challenging or impossible with traditional manufacturing methods. The process typically involves the following key steps: Digital design: A three-dimensional digital model of the object is created using computer-aided design (CAD) software. This...
    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.
    micro-optics
    Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level. These components are miniaturized optical elements that manipulate light at a microscopic level, providing functionalities such as focusing, collimating, splitting, and shaping light beams. Micro-optics play a crucial role in various fields, including telecommunications, imaging systems, medical devices, sensors, and consumer electronics. Key points about micro-optics: ...
    CoatingsMaterials & Coatingsatomic layer depositionantireflective coatingsAR coatingsOpticsOptics Manufacturing3D printed optics3d printingnanoMicroopticsmicro-opticsmanufacturinglensessurfacesResearch & TechnologyeducationEuropeUniversity of Stuttgartoptical systemsTechnology News

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