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Design for compact free-electron lasers exploits extremely short wavelengths
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Free-electron lasers consist of two fundamental components: an accelerator that produces high-energy electrons, and so-called ‘undulators' that send these electrons on a periodically curved path. The wiggling of the electrons along the path causes the emission of high-energy laser radiation through electro-magnetic interaction between the electrons and the radiation field.

Currently, x-ray FELs require large-scale electron accelerators of a few kilometers in length. It is important to reduce this length to enable the fabrication of cheaper FEL systems. The project team's compact FEL design of 55 m has produced a high-quality laser beam at the RIKEN Harima Institute.
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Powered by JoomlaCommentCopyright (C) 2006 Frantisek Hliva. All rights reserved.Homepage: http://cavo.co.nr/
Saturday 1 November, 2008 12:34 PM
 
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"A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible" - Freeman Dyson