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A novel room-temperature ion source for the production of atomic ions inelectron beam within wide ranges of electron energy and current density isdeveloped. The device can operate both as conventional Electron Beam IonSource/Trap (EBIS/T) and novel Main Magnetic Focus Ion Source. The ion sourceis suitable for generation of the low-, medium- and high-density microplasma insteady state, which can be employed for investigation of a wide range ofphysical problems in ordinary university laboratory, in particular, formicroplasma simulations relevant to astrophysics and ITER reactor. For theelectron beam characterized by the incident energy $E_e = 10$ keV, the currentdensity $j_e \sim 20$ kA/cm$^2$ and the number density $n_e \sim 2 \times10^{13}$ cm$^{-3}$ were achieved experimentally. For $E_e \sim 60$ keV, thevalue of electron number density $n_e \sim 10^{14}$ cm$^{-3}$ is feasible. Theefficiency of the novel ion source for laboratory astrophysics significantlyexceeds that of other existing warm and superconducting EBITs. A problem of theK-shell electron ionization of heavy and superheavy elements is also discussed.

Universal main magnetic focus ion source: A new tool for laboratory research of astrophysics and Tokamak microplasma