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Energy spread of ultracold electron bunches extracted from a laser cooled gas
J. G. H. Franssen, J. M. Kromwijk, E. J. D. Vredenbregt +1
Ultrashort and ultracold electron bunches created by near-threshold femtosecond photoionization of a laser-cooled gas hold great promise for single-shot ultrafast diffraction exper…
Theory and particle tracking simulations of a resonant radiofrequency deflection cavity in TM mode for ultrafast electron microscopy
J. F. M. van Rens, W. Verhoeven, J. G. H. Franssen +5
We present a theoretical description of resonant radiofrequency (RF) deflecting cavities in TM mode as dynamic optical elements for ultrafast electron microscopy. We first…
Pulse length of ultracold electron bunches extracted from a laser cooled gas
J. G. H. Franssen, T. L. I. Frankort, E. J. D. Vredenbregt +1
We present measurements of the pulse length of ultracold electron bunches generated by near-threshold two-photon photoionization of a laser-cooled gas. The pulse length has been me…