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RIS citation export for WEZD4: Using Off-Axis Undulator Radiation as a Longitudinal Electron-Beam Diagnostic

AU  - Marksteiner, Q.R.
AU  - Andrews, H.L.
AU  - Barber, S.K.
AU  - Coleman, J.E.
AU  - Emma, C.
AU  - Ostler, B.
AU  - Romero, W.P.
AU  - Ryne, R.D.
AU  - Yampolsky, N.A.
AU  - Zuboraj, M.R.A.
AU  - van Tilborg, J.
ED  - Biedron, Sandra
ED  - Simakov, Evgenya
ED  - Milton, Stephen
ED  - Anisimov, Petr M.
ED  - Schaa, Volker R.W.
TI  - Using Off-Axis Undulator Radiation as a Longitudinal Electron-Beam Diagnostic
J2  - Proc. of NAPAC2022, Albuquerque, NM, USA, 07-12 August 2022
CY  - Albuquerque, NM, USA
T2  - International Particle Accelerator Conference
T3  - 5
LA  - english
AB  - A novel diagnostic has been developed that uses off-axis undulator radiation to characterize the longitudinal bunch profile of an electron beam. The diagnostic uses a small, ~0.1-m long undulator with mirrors that focus the undulator radiation onto an array of pyrometers. The mirrors both focus the radiation onto the pyrometer and remove the chirping effect that comes from the finite length of the undulator. Numerical and analytical models have been developed to calculate the radiation for a given bunch length, and a phase retrieval algorithm has been developed to extract the bunch profile from measured data. The diagnostic has been installed at the BELLA laser-plasma wakefield accelerator, and will be used to characterize the bunch length there. The concept and relevant results will be presented.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
ER  -