Graphical illustration of a probe-bunch pair sampling a plasma perturbed by the leading bunch (IMAGE)
Caption
The novel diagnostic technique developed to enable this result relies on a pair of electron bunches (top right) interacting with the plasma perturbed by the leading bunch (bottom left). The recovery time of the plasma is defined as the separation between these two bunches at which the properties of the trailing electron-bunch pair after interaction with the perturbed plasma are identical to those without the presence of the leading bunch.
Credit
DESY, M. Lindstrøm, Mortani Design and Illustration
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