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free-electron laser |
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free-electron laser [′frē i¦lek‚trän ′lā·zər] (optics) A device in which a beam of relativistic electrons passes through a static periodic magnetic field to amplify a superimposed coherent optical wave and thereby produce a powerful beam of coherent light. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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FLASH is the first free-electron laser to operate in the extreme ultraviolet, or soft-X-ray, part of the spectrum. Ultrafast Coherent Diffractive X-Ray Imaging - Single ultrafast pulse high-resolution coherent x-ray images and holograms have been recorded at the FLASH free-electron laser. Using a prototype X-ray free-electron laser in Hamburg, Germany, an international team of physicists directed the beam onto nanoscale samples of reflective material. |
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