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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Tabletop device accelerates electrons to 2 GeV

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Ashley N. Rice, [email protected]

Until recently, if you wanted to speed up electrons to 2 gigaelectron volts (GeV), you needed a multimillion-dollar accelerator nearly 200 m long. But not anymore: Now you just need a tabletop device. “We have accelerated about half a billion electrons to two gigaelectron volts over a distance of about one inch,” said Mike Downer, professor of physics in the University of Texas at Austin’s College of Natural Sciences. “Until now, that degree of energy and focus has required a conventional accelerator that stretches more than the length of two football fields....Read full article

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    Published: September 2013
    Glossary
    free-electron laser
    A free-electron laser (FEL) is a type of laser that generates coherent, high-intensity electromagnetic radiation by using a beam of accelerated electrons as the lasing medium. Unlike traditional lasers that use atoms or molecules as the active medium, free-electron lasers exploit the unique properties of free electrons, allowing them to produce laser light across a wide range of wavelengths, including the infrared, visible, and ultraviolet regions of the electromagnetic spectrum. Key points...
    Basic ScienceBiophotonicsCommunicationsfree-electron lasergigaelectron voltslaser-plasmaMaterials & Chemicalsmaterials researchMike DownermoleculeOpticsparticle acceleratorResearch & Technologytabletop acceleratorTech PulseTexas Petawatt LaserUT Austinx-rayx-ray laserLasers

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