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Duke Free-Electron Laser Breaks 2000-Angstrom Barrier

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DURHAM, N.C., Oct 14 -- Duke University reports that its Russian-built free-electron laser (FEL) has emitted at deep-UV wavelengths shorter than 2000 angstroms. According to Vladimir Litvinenko, associate director for light sources at Duke's Free-Electron Laser Laboratory, the OK-4 -- one of two FELs at the lab -- successfully lased at 1937 angstroms. Litvinenko explained that 2000 angstroms is considered a significant technical barrier because the mirrors commonly used to create FEL light lose considerable reflectivity and degrade quickly at such short wavelengths. Some lasers such as...Read full article

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    Published: October 1999
    News & FeaturesLasers

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