Sensing the Energy: Calibrating the LCLS

The Linac Coherent Light Source will generate X-rays 10 billion times brighter than any source before it. Being the first of its kind, the LCLS has presented engineers with a number of unique technical hurdles. Measuring just how much punch the LCLS beam actually packs has proved especially challenging. But a team of LCLS scientists and engineers led by Stephan Friedrich at Lawrence Livermore National Laboratory has solved the problem with a tiny sensor designed to confront the beam head on.

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