Results 11 to 20 of about 40,757 (206)
The RF H− ion source project at RAL [PDF]
AIP Conference Proceedings, 2018 A project to design and construct an RF-driven long-lifetime volume production ion source producing 30 mA of H− with 50 Hz repetition rate and 1.5% duty factor at 35 keV energy for the ISIS Neutron and Muon Source has been started at Rutherford Appleton Laboratory.
Tarvainen, Olli +13 more
openaire +2 more sources
Response of negative ion beamlet width and axis deflection to RF field in beam extraction region [PDF]
Scientific ReportsBeam-divergence characteristics of single negative ion beamlet have been experimentally investigated with a superimposition of a controlled perturbation of a radio frequency wave (RF) field in a filament-arc discharge negative ion source. Oscillations of
Kenichi Nagaoka +9 more
doaj +2 more sources
RF broad-beam low-energy ion source with electron compensation [PDF]
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2010 Characteristics of single-grid RF ion source with 250 mm beam diameter and 1A beam current have been studied. Energy distribution functions of electrons and ions emitted by the source have been measured.
Zykov A. V. +2 more
doaj +1 more source
Power Transfer Efficiency in The Inductive RF Ion Source [PDF]
Журнал нано- та електронної фізики, 2010 A radio-frequency inductive ion source without magnetic field was analyzed at driving frequency of 27,12 MHz. Diameter of the source discharge chamber is 3 cm, length is 8 cm.
V. Voznyi
doaj +1 more source
Ion Current Density Calculation of the Inductive Radio Frequency Ion Source [PDF]
Журнал нано- та електронної фізики, 2012 A radio-frequency (RF) inductive ion source at 27.12 MHz is investigated. With a global model of the argon discharge, plasma density, electron temperature and ion current density of the ion source is calculated in relation to absorbed RF power and gas ...
V.I. Voznyi +3 more
doaj +1 more source
Development of the RF Ion Sources for Focused Ion Beam Accelerators [PDF]
Журнал нано- та електронної фізики, 2013 The paper presents the results of investigations of ion sources developed in the IAP of NAS of Ukraine for generation of high brightness ion beams with small energy spread. A series of RF ion sources operated at the frequency of 27.12 MHz were studied: the inductive RF ion source, the helicon ion source, the multi-cusp RF ion source, and the sputter ...
Voznyi, V. +5 more
openaire +3 more sources
Diagnostics of RF coupling in H- ion sources as a tool for optimizing source design and operational parameters [PDF]
, 2022 Radio frequency (RF) driven H− ion sources are operated at very high power levels of up 100 kW in order to achieve the desired performance. For the experimental setup, these are demanding conditions possibly limiting the source reliability.
D. Zielke +10 more
core +1 more source
Characterization of the RF plasma in negative ion source NIO1 [PDF]
, 2022 The NIO1 experiment is a negative ion source built at Consorzio RFX, Padua, with the aim to investigate and optimize the negative ion production. With this purpose, a diagnostic of the plasma in the NIO1 source is essential.
Buonincontri, Laura
core
An analysis of pump-induced artificial ionospheric ion upwelling at EISCAT [PDF]
, 2010 Ion outflow from the high-latitude ionosphere is a well-known phenomenon and an important source of plasma for the magnetosphere. It is also well known that pumping the ionosphere with high-power high-frequency radio waves causes electron heating.
Kosch, M.J. +9 more
core +1 more source
He jishu, 2021 BackgroundCesium injection can significantly reduce the work function of plasma grid surface of the radio frequency (RF) negative ion source, which is an effective way to promote the surface generation and improve the yield of H- ions.PurposeThis study ...
WANG Haoming +10 more
doaj +1 more source