ELECTRON BEAM PLASMA SUBMILLIMETER GENERATION.
Interim engineering rept. no. 2, 1 Aug-30 Nov 63,
RCA LABS PRINCETON N J
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The plasma coupler was constructed and experiments were carried out. Rf propagation was measured at 2, 3, and 4.7 kMc. Ionic sound waves were observed on the plasma column of the demountable plasma coupler. It was shown that the existence of these instabilities enhances diffusion and lowers the plasma density. A grid placed in front of the discharge cathode could suppress or enhance the instability. The propagation velocity of the ionic sound waves was measured. Author