Magnetized plasma rotator for relativistic mid-infrared pulses via frequency-variable Faraday rotation.

ABSTRACT: Optical rotators based on the Faraday effect have been widely used in optical systems, such as optical isolation and circulators. However, due to the limitation of crystals, the application of such optical rotators in high-power lasers has been severely hindered. Here, we propose a novel plasma rotator based on the frequency-variable Faraday rotation (FVFR) in a compact manner, achieved by driving the magnetized underdense plasma with a relativistic linearly polarized laser. In the magnetized plasma, the drive laser undergoes photon deceleration and relativistic Faraday rotation, leading to the generation of relativistic polarization-tunable mid-infrared (mid-IR) pulse with intensity ≥1016 W cm^-2 and a spectral width of 5-25 μm. With different magnetic fields, the polarization a

SUBMITTER: Li DA 

PROVIDER: S-EPMC12757596 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature