Propagation of Waves in a Bounded Solid State Plasma in Transverse Magnetic Fields

概要

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A new type of solid state plasma waveguide has been constructed using n-InSb and an insulator of similar dielectric constant, CuO. Its properties were measured in a transverse magnetic field. When all except the input and output surfaces of the plasma waveguide were metal plated, for one direction of magnetic field the microwave power was transmitted through the InSb with a transmission loss of about 20 db. For the reversed direction of the magnetic field, the microwave power was transmitted through the CuO with a transmission loss of about 5 db. When one surface of the plasma wave-guid was not metal plated, a strong magnetoplasma a resonance at the frequency ω_o=ω_p2/ω_c was observed for one direction of the external magnetic field, the transmission loss being about 38 db at the maximum. For the reversed direction of the magnetic field, no resonance was observed. A transmission loss of about 5 db was present in the "forward" direction and all but O.8 db of this was shown to be due to reflection (mis-match).
社団法人日本物理学会の論文
1966-06-05