Excitation of Surface Plasmons Achieve Total Absorption of Electromagnetic Wave in Overdense Plasma

The energy transformation from electromagnetic wave (EMW) to surface plasmons which achieve total absorption of EMW in overdense plasma is investigated by using the theory of hydrodynamics in the thin cylinder limit and surface wave resonator (SWR). The experiment scheme of Bliokh [Phys. Rev. Lett. 95, 165003 (2005)] is improved. Through analyzing the frequency domain spectrum of the reflected wave, the time series of reflection, transmission and plasma density are diagnosed when the electromagnetic wave is transferring into the surface wave (SW).