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Multi-PW laser-driven proton acceleration using a plasma-lens target.

Vojtěch Horný1,2, Domenico Doria3

  • 1Extreme Light Infrastructure - Nuclear Physics, IFIN-HH, 30 Reactorului Street, 077125, Magurele, Romania. vojtech.horny@eli-np.ro.

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Summary
This summary is machine-generated.

State-of-the-art lasers and a double-layer target achieve 550 MeV proton acceleration. Optimized carbon and plastic layers enhance hole boring and light sail mechanisms for efficient particle acceleration.

Keywords:
Double layer targetIon accelerationLaser plasmaRadiation pressure acceleration

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Area of Science:

  • Plasma Physics
  • Laser-Induced Phenomena

Background:

  • Laser-driven particle acceleration is crucial for various applications.
  • Optimizing target designs is key to enhancing acceleration efficiency.

Purpose of the Study:

  • To investigate advanced laser-driven proton acceleration using a novel double-layer target.
  • To optimize target parameters for maximum proton energy and acceleration efficiency.

Main Methods:

  • Utilized multi-petawatt laser technology.
  • Employed a double-layer target: homogenised near-critical density carbon front layer and a solid plastic rear layer.
  • Conducted fully resolved 3D particle-in-cell simulations.

Main Results:

  • Achieved proton acceleration up to 550 MeV.
  • Identified hole boring and light sail radiation pressure acceleration as dominant mechanisms.
  • Observed enhanced target normal sheath acceleration due to increased laser-to-electron coupling.
  • Generated gamma-ray radiation via nonlinear inverse Compton scattering.

Conclusions:

  • The double-layer target design significantly enhances proton acceleration efficiency.
  • Synergistic interplay of acceleration mechanisms, driven by optimized target parameters, leads to high-energy protons.
  • Advanced simulation techniques provide deep insights into complex laser-plasma interactions.