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Dependence of laser accelerated protons on laser energy following the interaction of defocused, intense laser pulses with ultra-thin targets

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  • The Scaling Of The Flux And Maximum Energy Of Laser-Driven Sheath-Accelerated Protons Has Been Inves
  • The Pulse Duration And Target Thickness Were Fixed At 40 Fs And 25 Nm
  • Respectively
  • While The Laser Focal Spot Size And Drive Energy Were Varied
  • Our Results Indicate That While The Maximum Proton Energy Is Dependent On The Laser Energy And Laser
  • The Proton Flux Is Primarily Related To The Laser Pulse Energy Under The Conditions Studied Here
  • Our Measurements Show That Increasing The Laser Energy By An Order Of Magnitude Results In A More Th
  • Whereas
  • An Order Of Magnitude Increase In The Laser Intensity Generated By Decreasing The Laser Focal Spot S
  • At Constant Laser Energy
  • Gives Rise To Less Than A Tenfold Increase In Observed Proton Flux
  • Ecology
  • Medicine


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