|Title||Subpicosecond electro-optic measurement of relativistic electron pulses|
|Publication Type||Journal Article|
|Year of Publication||2000|
|Authors||X. Yan, A.M MacLeod, W.A Gillespie, G.M.H. Knippels, D. Oepts, A.FG van der Meer, W. Seidel|
|Journal||Physical Review Letters|
|Date Published||Oct 16|
Time-resolved measurements of the transverse electric field associated with relativistic electron bunches are presented. Using an ultrafast electro-optic sensor close to the electron beam, the longitudinal profile of the electric field was measured with subpicosecond time resolution and without time-reversal ambiguity. Results are shown for two cases: inside the vacuum beam line in the presence of wake fields, and in air behind a beryllium window, effectively probing the near-field transition radiation. Especially in the latter case, reconstruction of the longitudinal electron bunch shape is straightforward.
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