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Independent multi-slit nozzle gas-puff system.

Eyal Kroupp1, Tal Queller1, Eitan Y Levine1

  • 1Faculty of Physics, Weizmann Institute of Science, Rehovot 7610001, Israel.

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A novel multi-slit nozzle valve, the Synthesizer, offers precise control over gas target density profiles for laser-plasma experiments. Its design shows potential for laser guiding, crucial for laser wakefield acceleration applications.

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Area of Science:

  • Plasma Physics
  • Laser-Matter Interaction
  • Fluid Dynamics

Background:

  • Laser-plasma interactions require precisely controlled gas targets.
  • Existing gas delivery systems may lack flexibility in density modulation.

Purpose of the Study:

  • To design, manufacture, and characterize a multi-slit nozzle valve (Synthesizer) for laser-plasma experiments.
  • To demonstrate the Synthesizer's capability to control gas density profiles.
  • To explore its potential for laser guiding applications.

Main Methods:

  • Design and fabrication of a five-independent-plena multi-slit nozzle valve.
  • Experimental characterization of gas density profiles.
  • Three-dimensional (3D) gas flow simulations.

Main Results:

  • The Synthesizer allows for control over a wide range of density modulations.
  • Experimental density distributions matched simulation predictions.
  • Two different slit nozzle lengths were tested, showcasing design flexibility.
  • A specific configuration showed potential for laser guiding.

Conclusions:

  • The Synthesizer is a versatile gas target for laser-plasma experiments.
  • The device enables user-defined gas load configurations through predictive simulations.
  • The potential for laser guiding in laser wakefield acceleration is a significant finding.