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Let it shine the easy way: Laser polishing

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Jörg Schwartz, [email protected]

AACHEN, Germany – Polishing by hand is not a very popular job – unless you own a classic car and give it a shine over the weekend. But in many industries, polished surfaces are a very necessary evil; for example, medical implants, various metallic products and optics all require precise polishing. In molding and toolmaking for industrial production, polishing often is the last step in making the important master that is used to make car or machine parts, medical instruments, or even pills or food. The polished surface should be free of contamination and should not create friction or adhesion. ...Read full article

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    Published: February 2010
    Glossary
    adhesion
    The intermolecular attraction between two surfaces, as between a substrate and a coating; it is an important factor in the durability of optical thin films.
    continuous wave
    Continuous wave (CW) refers to a type of signal or transmission where the signal is constant and does not vary with time. In various contexts, the term is used to describe continuous, uninterrupted oscillations or waves. Here are a few applications of the term in different fields: Electromagnetic waves: In radio communication and radar systems, a continuous wave signal is a steady oscillation of radio frequency (RF) energy. It does not involve modulation, which means the amplitude,...
    grinding
    The process in the manufacture of an optical system that gives it the required geometric shape.
    polishing
    The optical process, following grinding, that puts a highly finished, smooth and apparently amorphous surface on a lens or a mirror.
    Aachenadhesionaspheric lensesCO2 laserscontaminationcontinuous wavecrystallizationDPSS lasersEdgar WillenborgEuro NewsEuropefood processingFraunhofer Institut fur LasertechnikfrictiongrindingILTindustrialJoerg Schwartzmachine partsmedical implantsmedical instrumentsmetallic productsmoldingNd:YAGNd:YVO4Newspharmaceutical productionpolishingpulsed lasersroughnessSchwartzsurface meltingtoolmakingWillenborgLasers

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