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BEGIN:VEVENT
DTSTAMP:20260428T221315Z
DTSTART;VALUE=DATE-TIME:20220221T150000
DTEND;VALUE=DATE-TIME:20220221T160000
SUMMARY:Charlotte Palmer (Queen's University Belfast): Optimisation of hi
 gh-intensity laser-solid interactions using gaussian process regression.
 
TZID:Europe/London
UID:20220221-8a17841b7d764dac017d8200356b4edd@warwick.ac.uk
CREATED:20220210T105746Z
DESCRIPTION:C. A. J. Palmer1\, M. J. V. Streeter1\, B. Loughran1\, H. Ahm
 ed2\, S. Astbury2\, M. Borghesi1\, N. Bourgeois2\, C. B. Curry3\, S. J. 
 D. Dann2\, N. P. Dover4\, T. Dzelzainis2\, O. Ettlinger4\, M. Gauthier3\
 , L. Giuffrida5\, G. D. Glenn3\, S. Glenzer3\, R. Gray6\, J. Green2\, G.
  Hicks4\, C. Hyland1\, V. Istokskaia5\, M. King6\, D. Margarone1\,5\, O.
  McCusker1\, P. McKenna6\, Z. Najmudin4\, C. Parisuana3\, P. Parsons2\, 
 7\, C. Spindloe2\, D. R. Symes2\, A. G. R. Thomas8\, F. S. Treffert3 and
  N. Xu4. 1 Queen’s University Belfast\, U. K. 2 Central Laser Facility\,
  Rutherford Appleton Laboratory\, U. K. 3 SLAC\, Stanford\, U. S. 4 Impe
 rial College London\, U. K. 5 ELI Beamlines\, Czech Republic 6 Strathcly
 de University\, U. K. 7 University of Manchester\, U. K. 8 University of
  Michigan\, U. S. Laser-driven energetic proton accelerators have the po
 tential to provide compact sources of MeV energy\, low emittance\, sub-p
 icosecond duration proton beams for a variety of applications. The prima
 ry impediment to their wider adoption is the challenge of shot-to-shot r
 eproducibility and tuning of the parameters to optimize desirable proton
  beam qualities in a multi-dimensional parameter space. Recent developme
 nts in laser technology and control systems\, making available multi-Hz 
 delivery of joule-class\, relativistically-intense laser pulses with aut
 omated control\, combined with online diagnostics have enabled the autom
 ated scanning of parameters space\, quantification of uncertainty and us
 e of feedback loops for optimization of desirable outputs (e.g. proton b
 eam maximum energy). Bayesian optimization has already demonstrated impr
 essive gain in x-ray generation when used in conjunction with a laser wa
 kefield accelerator [1]. Here\, we discuss the preliminary results from 
 experiments expanding this tool to laser-driven proton acceleration. [1]
  R. Shalloo et al. Nature Comms\, 11 (2020)
LOCATION:
CATEGORIES:CFSA Seminar
LAST-MODIFIED:20220210T105746Z
ORGANIZER;CN=Anne-Marie Broomhall:
END:VEVENT
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