Zhikun Zhou, Xiaohuan Wan, Xiaolin Li, Juan Zhang, Yushan Zhou, Xueping Ren, Yuren Shi,
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An illustration of terahertz wave propagation through high temperature plasma. |
https://aip.scitation.org/doi/10.1063/5.0053611
The propagation characteristics of terahertz waves in high-temperature magnetized inhomogeneous plasma sheath were investigated theoretically by the shift operator finite difference time domain method. Both the transmission characteristics of left and right circularly polarized terahertz waves propagating in uniform or non-uniform plasma were analyzed. Simulation results reveal that the transmission characteristics of terahertz waves in plasma will be influenced by plasma parameters and the external magnetic field. The plasma sheath has a high pass filtering characteristic to terahertz waves, which provides a significant theoretical basis, to a certain extent, for the “blackout” problem.
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