Plasma-guided Compton source

Talia Meir

doi:10.1103/PhysRevApplied.22.044004

Plasma-guided Compton source

2024-10-02

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Kavin Tangtartharakul

DOI：10.1103/PhysRevApplied.22.044004

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Abstract

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We investigated numerically the emission properties of an x-ray source based on direct laser acceleration of electrons interacting with an intense counterpropagating laser pulse. The source was realized by irradiating from both sides a high atomic number plasma-plume target. The resulting x-ray beam was analyzed through three-dimensional particle-in-cell simulations for its spectral content, source size, angular divergence, and temporal structure. For simulated experiments in which the total laser-pulse energy was 1.5 J, we obtained a peak brightness of approximately 10(22 )(s mrad(2) mm(2 )0.1%BW)(-1) of x-ray photons peaking at an energy of 25 keV. The results and their competitiveness in applications are discussed and compared with other laser-based x-ray generation methods.

Keywords:

RAY

ACCELERATION

EMISSION

Plasma-guided Compton source

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