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Type: Journal article
Title: High-coherence electron and ion bunches from laser-cooled atoms
Author: McCulloch, A.
Sheludko, D.
Putkunz, C.
Saliba, S.
Thompson, D.
Speirs, R.
Murphy, D.
Torrance, J.
Sparkes, B.
Scholten, R.
Citation: Journal of Physics : Conference Series, 2014; 488(1):012045-1-012045-7
Publisher: IOP Publishing
Issue Date: 2014
ISSN: 1742-6588
Statement of
A. J. McCulloch, D. V. Sheludko, C. T. Putkunz, S. D. Saliba, D. J. Thompson, R. W. Speirs, D. Murphy, J. Torrance, B. M. Sparkes, and R. E. Scholten
Abstract: Cold atom electron and ion sources produce electron bunches and ion beams by photoionisation of laser cooled atoms. They offer high coherence and the potential for high brightness, with applications including ultrafast electron diffractive imaging of dynamic processes at the nanoscale. Here we present our cold atom electron/ion source, with an electron temperature of less than 10 K and a transverse coherence length of 10 nm. We also discuss experiments investigating space-charge effects with ions and the production of ultra-fast electron bunches using a femto-second laser. In the latter experiment we show that it is possible to produce both cold and fast electron bunches with our source.
Description: XXVIII ICPEAC
Rights: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.
DOI: 10.1088/1742-6596/488/1/012045
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