Sentences with phrase «negative ion beam»
Not exact matches
Once the negative ions are produced in a low - temperature plasma source, they are extracted electrostatically as an energetic beam.
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On the other hand, negative hydrogen / deuterium ion beams sustain the energy - independent neutralization efficiency of ~ 60 %.
These particles are converted to negative ions on the surface and are recoiled opposite to the beam direction.
To this point, regarding the processes concerning the beam production through the extraction of negative hydrogen ions, although many simulations have been conducted, because numerous physical processes are related to this issue we still have not obtained results that will help explain the experimental results.
The experiment has just started and currently only shows the low temperature plasma production; the detailed investigations on the negative ion production and the beam extraction will be progressed hereafter.
Accompanying the beam extraction, the spatial flow distribution of the negative hydrogen ions was investigated by measuring the flow of negative hydrogen ions with the use of a compound - type electrostatic probe with four needle - type electrodes irradiated by laser pulse.
By applying the method developed in this research, measurement of the negative ion flow at places still closer to the plasma electrode is possible for clarifying more detailed mechanism of the negative ions extracted as a beam.
The mechanism of how the negative hydrogen ions change the direction of their velocity and are extracted as a beam has not been clarified.
These operations were conducted at numerous places, and, during the beam extraction, we investigated how the flow of negative hydrogen ions changed.
The behaviors of negative hydrogen ions can be clarified under the beam extraction.
These results were comprehensively evaluated, and received the NIBS Award at the 5th International Symposium on Negative Ions, Beams and Sources held in Oxford, England from September 12 - 16, 2016.
Development of neutral beam injection (NBI) heating system utilizing a hydrogen / deuterium (H / D) negative ion source, is significant for a fusion plasma reactor, which is one of the potential solutions to future energy - resource problems.