An ion source with a multipole magnetic field in the hollow cathode

摘要

the source of ions with the magnetic field in u043cu0443u043bu044cu0442u0438u043fu043eu043bu044cu043du044bu043c paul u043au0430u0442u043eu0434u0435, u0441u043eu0441u0442u043eu00a0u0449u0438u0439 of anode hole emission, u0431u0435u0437u043du0430u043au0430u043bu044cu043du043eu0433u043e hollow cathode, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 because the b u0435u0437u043du0430u043au0430u043bu044cu043du044bu0439 cathode is in the form of u043fu0443u0441u0442u043eu0442u0435u043bu043eu0433u043e cylinder of u043du0435u043cu0430u0433u043du0438u0442u043du043eu0433u043e material cavity, which has a length greater than the diameter on the outer side of the lateral p u043eu0432u0435u0440u0445u043du043eu0441u0442u0438 this cylinder, throughout its length, fixed magnetsa magnetic field in the cavity u043cu0443u043bu044cu0442u0438u043fu043eu043bu044cu043du043eu0435 the peaks near the side wall of the cylinder and u043fu0440u0438u0431u043bu0438u0436u0430u0435u0442u0441u00a0 to zero at its centre u043bu044cu043du043eu0439 longitudinal axis.