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Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier

Dunning, D J and McNeil, B W J and Thompson, N R and Williams, P H (2011) Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier. Physics of Plasmas, 18 (7). ISSN 1070-664X

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Abstract

A free electron laser (FEL) in a mode-locked optical klystron (MLOK) configuration is modelled using start-to-end simulations that simulate realistic electron beam acceleration and transport before input into a full three-dimensional FEL simulation code. These simulations demonstrate that the MLOK scheme is compatible with the present generation of radiofrequency accelerator designs. A train of few-optical cycle pulses is predicted with peak powers similar to those of the equivalent conventional FEL amplifier. The role of electron beam energy modulation in these results is explained and the limitations of some simulation codes discussed. It is shown how seeding the FEL interaction using a High Harmonic seed laser can improve the coherence properties of the output.

Item type: Article
ID code: 32356
Notes: Selected to appear in Virtual Journal of Ultrafast Science, August 2011 The Virtual Journal, which is published by the American Physical Society and the American Institute of Physics in cooperation with numerous other societies and publishers, is an edited compilation of links to articles from participating publishers, covering a focused area of frontier research.
Keywords: free electron laser, short laser pulses, attosecond pulse, mode locking, Physics, Condensed Matter Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 01 Aug 2011 08:42
Last modified: 15 Apr 2015 08:52
Related URLs:
URI: http://strathprints.strath.ac.uk/id/eprint/32356

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