A Platform for All-optical Thomson/ Compton Scattering with Versatile Parameters
arxiv(2024)
摘要
A dual-beam platform for all-optical electron-photon scattering, or
Thomson/Compton scattering, with adjustable collision-angle and parameter
tuning ability has been developed, which, in principle, can be used for the
verification of strong-field quantum electrodynamics effects. Combining this
platform with a 200 TW Ti:Sapphire laser system, we demonstrated the generation
of inverse Compton scattering X/gamma-rays with tunable energies from tens of
keV to MeV. The polarization of X/gamma radiation was manipulated by
controlling the polarization of scattering laser. In the near future, by
combining this experimental platform with multi-PW laser facilities, it is
proposed to experimentally generate X/gamma radiation with orbital angular
momentum for the nuclear isomer excitation, and more importantly, to explore
the regime transition from nonlinear Thomson scattering to nonlinear Compton
scattering, eventually to demonstrate the verification of theories on extremely
strong field quantum electrodynamics effects.
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