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Nature Physics 4, 92–93 (1 February 2008) | doi:10.1038/nphys846

Compact X-ray sources: Towards a table-top free-electron laser

Kazuhisa Nakajima

Synchrotron radiation generated using an electron beam from a laser-driven accelerator opens the possibility of building an X-ray free-electron laser hundreds of times smaller than conventional facilities currently under construction.