Production of Ion Stream Composed of Two Components in Velocity Distribution
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In this note is reported the results of our experiment for investigating a new type source of ion stream composed of two components in energy distribution. For the purpose a diffusion-type plasma source is used, which is formed with two arrays of oxide-coated cathode rods and five sheets of metalic mesh grids. The energy distribution of ion stream is observed with an electrostatic energy analyzer, whose resolution is 4%. In the present experiment ion streams of argon, helium, nitrogen and their mixtures are obtained, the energy of which ranges from 50 to 500 eV. The energies of two components of ion stream are determined by the biases externally applied to two pairs of grids, and their relative intensities can be controlled by adjusting the temperature of the fore array of cathode rods and/or the potential of the intermediate grid.
- 核融合科学研究所の論文
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