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Pré-Publication, Document De Travail Année : 2023

Coherence and superradiance from a plasma-based quasiparticle accelerator

B. Malaca
  • Fonction : Auteur
M. Pardal
  • Fonction : Auteur
D. Ramsey
  • Fonction : Auteur
J. Pierce
  • Fonction : Auteur
K. Weichman
  • Fonction : Auteur
I. Andriyash
  • Fonction : Auteur
  • PersonId : 932345
W.B. Mori
  • Fonction : Auteur
J.P. Palastro
  • Fonction : Auteur
R.A. Fonseca
  • Fonction : Auteur
J. Vieira
  • Fonction : Auteur

Résumé

Coherent light sources, such as free electron lasers, provide bright beams for biology, chemistry, physics, and advanced technological applications. Increasing the brightness of these sources requires progressively larger devices, with the largest being several km long (e.g., LCLS). Can we reverse this trend, and bring these sources to the many thousands of labs spanning universities, hospitals, and industry? Here we address this long-standing question by rethinking basic principles of radiation physics. At the core of our work is the introduction of quasi-particle-based light sources that rely on the collective and macroscopic motion of an ensemble of light-emitting charges to evolve and radiate in ways that would be unphysical when considering single charges. The underlying concept allows for temporal coherence and superradiance in fundamentally new configurations, providing radiation with clear experimental signatures and revolutionary properties. The underlying concept is illustrated with plasma accelerators but extends well beyond this case, such as to nonlinear optical configurations. The simplicity of the quasi-particle approach makes it suitable for experimental demonstrations at existing laser and accelerator facilities.

Dates et versions

hal-03982567 , version 1 (10-02-2023)

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B. Malaca, M. Pardal, D. Ramsey, J. Pierce, K. Weichman, et al.. Coherence and superradiance from a plasma-based quasiparticle accelerator. 2023. ⟨hal-03982567⟩
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