Dresden 2017 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 7: Synchrotron Radiation and FELs

AKBP 7.1: Talk

Thursday, March 23, 2017, 09:30–09:45, MOL 213

Numerical Simulations on the Effect of Broadband Microbunching on the Radiation Spectra of Short Undulators — •Paul Volz and Atoosa Meseck — HZB, Berlin

It is known that microbunched beams emit coherently in spectral ranges shorter than the bunch length when traversing insertion devices. However, the impact of a broadband microbunching on the spectrum of a short undulator has not yet been investigated. The presented work tests these effects numerically using WAVE. The spectra of smooth, Gaussian bunches are compared to bunches with microstructure in energy spread, longitudinal and transversal distribution. Coherent amplification can be observed in the microbunched case.