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Driving innovations in manufacturing: Open Access research from DMEM

Strathprints makes available Open Access scholarly outputs by Strathclyde's Department of Design, Manufacture & Engineering Management (DMEM).

Centred on the vision of 'Delivering Total Engineering', DMEM is a centre for excellence in the processes, systems and technologies needed to support and enable engineering from concept to remanufacture. From user-centred design to sustainable design, from manufacturing operations to remanufacturing, from advanced materials research to systems engineering.

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Monoenergetic electronic beam production using dual collinear laser pulses

Thomas, A.G.R. and Murphy, C.D. and Mangles, S.P.D. and Dangor, A.E. and Foster, P.S. and Gallacher, J.G. and Jaroszynski, D.A. and Kamperidis, C. and Viskup, Richard (2008) Monoenergetic electronic beam production using dual collinear laser pulses. Physical Review Letters, 100 (25). ISSN 0031-9007

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Abstract

The production of monoenergetic electron beams by two copropagating ultrashort laser pulses is investigated both by experiment and using particle-in-cell simulations. By proper timing between guiding and driver pulses, a high-amplitude plasma wave is generated and sustained for longer than is possible with either of the laser pulses individually, due to plasma waveguiding of the driver by the guiding pulse. The growth of the plasma wave is inferred by the measurement of monoenergetic electron beams with low divergence that are not measured by using either of the pulses individually. This scheme can be easily implemented and may allow more control of the interaction than is available to the single pulse scheme. © 2008 The American Physical Society