FIELD: electricity.
SUBSTANCE: low-pressure gas discharge is ignited in a magnetic trap of a simple plug configuration with a value of magnetic field sufficient for formation of zones of electronic-cyclotronic resonance (ECR) with the help of microwave radiation with frequency that is much higher that normally used frequencies, for instance, 37.5 GHz. At the same time microwave radiation is injected inside the discharge vacuum volume along the magnetic field with the help of a quasi-optical line of transmission in the form of a Gaussian beam, and to prevent occurrence and development of a discharge in the parasite ECR zone a multifunctional matching element is applied.
EFFECT: high current of multicharge ion beams with preservation of specified average charge of ions.
7 cl, 7 dwg
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