title: Study of hydrogen ECR plasma in a simple mirror magnetic trap heated by 75 GHz pulsed gyrotron radiation.
abstract: Plasma of electron cyclotron resonance (ECR) discharge sustained by millimeter wave radiation is widely used for production of ion beams of different kind. The main trend in ECR ion sources development nowadays is an increase of frequency and power of microwave heating. The most advanced systems use gyrotrons in 24-60 GHz frequency range. In previous studies at IAP RAS it was demonstrated that ECR source SMIS 37 (Simple Mirror Ion Source) with 37.5 GHz heating operating in quasigasdynamic regime of plasma confinement is able to produce proton and deuteron beams with ion current density about 700 mA/cm2. As the next step of these investigations plasma properties of the discharge sustained by 75 GHz radiation have been studied. Plasma density and electron temperature were determined using spectroscopic and Langmuir probe techniques. It was demonstrated that plasma density could reach values close to 1014cm-3and that is of great interest for further development of high current ion sources for various applications.
authors.affiliation: Federal Research Center "Institute of Applied Physics of the Russian Academy of Sciences" (IAP RAS), 46 Ul'yanova St., 603950 Nizhny Novgorod, Russian Federation.
authors.forename: V A
authors.initials: VA
authors.lastname: Skalyga
authors.affiliation: Federal Research Center "Institute of Applied Physics of the Russian Academy of Sciences" (IAP RAS), 46 Ul'yanova St., 603950 Nizhny Novgorod, Russian Federation.
authors.forename: I V
authors.initials: IV
authors.lastname: Izotov
authors.affiliation: Federal Research Center "Institute of Applied Physics of the Russian Academy of Sciences" (IAP RAS), 46 Ul'yanova St., 603950 Nizhny Novgorod, Russian Federation.
authors.forename: A V
authors.initials: AV
authors.lastname: Sidorov
authors.affiliation: Federal Research Center "Institute of Applied Physics of the Russian Academy of Sciences" (IAP RAS), 46 Ul'yanova St., 603950 Nizhny Novgorod, Russian Federation.
authors.forename: S V
authors.initials: SV
authors.lastname: Golubev
authors.affiliation: Federal Research Center "Institute of Applied Physics of the Russian Academy of Sciences" (IAP RAS), 46 Ul'yanova St., 603950 Nizhny Novgorod, Russian Federation.
authors.forename: S V
authors.initials: SV
authors.lastname: Razin