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Development of Phosphor Screen Having “Gridded Energy Analyzer” for Two-Fluid Nonneutral Plasma Experiments

K. MORITA, H. HIMURA, A. SANPEI and S. MASAMUNE

Kyoto Institute of Technology, Department of Electronics, Matsugasaki, Kyoto 606-8585, Japan

(Received 4 December 2006 / Accepted 11 April 2007 / Published 20 November 2007)

Abstract

A new type of fluorescent screen with a gridded energy analyzer is proposed. This new method clearly has an advantage of clarifying both space distribution of number density and particle energy simultaneously. The fluorescent screen has three potential grids in front of it. Using the set of grids, the particle energy is analyzed. The preliminary data show that the potential grids have successfully analyzed the energy of the injected electrons. The fluorescent screen seems to emit visible light even after the number of electrons is somewhat reduced by the potential grids.

Copyright (c) 2007 The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

a fluorescent screen, a gridded energy analyzer, particle flux measurement, nonneutral plasma, the Malmberg trap, the Beam Experiment Upgrade

DOI: 10.1585/pfr.2.S1127

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References

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This paper may be cited as follows:

K. MORITA, H. HIMURA, A. SANPEI and S. MASAMUNE, Plasma Fusion Res. 2, S1127 (2007).