title: High current proton beams production at Simple Mirror Ion Source 37.
abstract: This paper presents the latest results of high current proton beam production at Simple Mirror Ion Source (SMIS) 37 facility at the Institute of Applied Physics (IAP RAS). In this experimental setup, the plasma is created and the electrons are heated by 37.5 GHz gyrotron radiation with power up to 100 kW in a simple mirror trap fulfilling the ECR condition. Latest experiments at SMIS 37 were performed using a single-aperture two-electrode extraction system. Proton beams with currents up to 450 mA at high voltages below 45 kV were obtained. The maximum beam current density was measured to be 600 mA/cm(2). A possibility of further improvement through the development of an advanced extraction system is discussed.
authors.affiliation: Institute of Applied Physics, RAS, 46 Ul`yanova St., 603950 Nizhny Novgorod, Russia.
authors.forename: V
authors.initials: V
authors.lastname: Skalyga
authors.affiliation: Institute of Applied Physics, RAS, 46 Ul`yanova St., 603950 Nizhny Novgorod, Russia.
authors.forename: I
authors.initials: I
authors.lastname: Izotov
authors.affiliation: Institute of Applied Physics, RAS, 46 Ul`yanova St., 603950 Nizhny Novgorod, Russia.
authors.forename: S
authors.initials: S
authors.lastname: Razin
authors.affiliation: Institute of Applied Physics, RAS, 46 Ul`yanova St., 603950 Nizhny Novgorod, Russia.
authors.forename: A
authors.initials: A
authors.lastname: Sidorov
authors.affiliation: Institute of Applied Physics, RAS, 46 Ul`yanova St., 603950 Nizhny Novgorod, Russia.
authors.forename: S
authors.initials: S
authors.lastname: Golubev
authors.affiliation: University of Jyväskylä, Department of Physics, P.O. Box 35 (YFL), 40500 Jyväskylä, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Kalvas
authors.affiliation: University of Jyväskylä, Department of Physics, P.O. Box 35 (YFL), 40500 Jyväskylä, Finland.
authors.forename: H
authors.initials: H
authors.lastname: Koivisto
authors.affiliation: University of Jyväskylä, Department of Physics, P.O. Box 35 (YFL), 40500 Jyväskylä, Finland.
authors.forename: O
authors.initials: O
authors.lastname: Tarvainen