The effect of the cyclotron resonance on the sensitivity of a glow discharge to millimeter-wave radiation

Abstract
The sensitivity of a miniature glow discharge tube to electromagnetic millimeter-wave radiation (70 GHz) was investigated in magnetic fields near the cyclotron resonance. A 100-fold increase in the signal-to-noise ratio (SNR) was obtained at the cyclotron resonance. The SNR of the tube at cyclotron resonance was greater than ten times that of a commonly used crystal detector for millimeter-wave radiation (1N53D) measured under similar conditions.

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