#PhysicsNEWS @Phytimes The paradox of a free-electron laser | The Physics Times

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@Phytimes
The paradox of a free-electron laser without the laser
A new way of producing coherent light in the ultra-violet spectral region, which points the way to developing brilliant table-top X-ray sources, has been produced in research led at the University of Strathclyde.
@Phytimes