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Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
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Refractive plasma optics for relativistic laser beams.

Omri Seemann1, Yang Wan2, Sheroy Tata3

  • 1Department of Physics of Complex Systems, Weizmann Institute of Science, Herzl 234, Rehovot, 7610001, Israel. omri.seemann@weizmann.ac.il.

Nature Communications
|June 6, 2023
PubMed
Summary

Researchers demonstrate novel refractive-plasma optics for spatial phase control in relativistic laser-plasma interactions. This breakthrough enables precise laser manipulation, advancing plasma physics and high-intensity applications.

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Area of Science:

  • Plasma Physics
  • Laser-Plasma Interactions
  • Relativistic Optics

Background:

  • Powerful lasers achieve relativistic intensities, enabling exploration of matter interaction.
  • Refractive-plasma optics are established for laser plasma accelerators wave guiding.
  • Spatial phase control of laser beams using refractive optics remains a challenge due to manufacturing complexities.

Purpose of the Study:

  • To demonstrate the concept of refractive-plasma optics for spatial phase control of laser beams.
  • To enable phase manipulation near the focus in relativistic laser-plasma interactions.
  • To explore applications in producing multiple energetic electron beams.

Main Methods:

  • Development and implementation of refractive-plasma optics for phase manipulation.
  • Generation of relativistic laser intensities and high-density plasma conditions.
  • Utilizing adaptive mirrors for far-field refractive effect cancellation and validation.

Main Results:

  • Successful demonstration of spatial phase control using refractive-plasma optics near the relativistic focus.
  • Enabled flexible control for high-intensity, high-density laser-matter interactions.
  • Production of multiple energetic electron beams with high pointing stability and reproducibility.

Conclusions:

  • Refractive-plasma optics offer a viable method for spatial phase control in relativistic laser-plasma science.
  • This technique enhances laser coupling to plasma, with potential benefits for dense-target applications.
  • The demonstrated control opens new avenues for advanced laser-driven particle acceleration.