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Fusion Science and Technology
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Nicholas Tsoulfanidis—ANS member since 1969
As an undergraduate I studied physics at the University of Athens. I entered the university in 1955 after successfully passing a national exam (came up fourth in a field of about 700 candidates). Upon graduation and finishing my mandatory two-year military service, the plan was to teach physics either in a public high school or as a tutor for a private for-profit institution, preparing high school students for the national exam.
W. H. Ko, D. K. Park, W. S. Choi, B.C. Kim, W.C. Kim, M. Kwon
Fusion Science and Technology | Volume 39 | Number 1 | January 2001 | Pages 229-232
Poster Presentations | doi.org/10.13182/FST01-A11963448
Articles are hosted by Taylor and Francis Online.
The end loss ion energy distributions are measured in Hanbit1 mirror plasma produced by a 3.75-MHz, 500 kW° amplifiers with the slot antenna. The measurement of the ion energy distribution in the end region gives us the important information on the loss cone region of mirror plasmas.
The ion energy analyzer, mounted on the end region of cusp in the Hanbit, is versatile diagnostics designed to measure the parallel ion energy distributions. We can obtain the ion energy distribution from the current-voltage curve by sweeping the voltage on the ion repeller while keeping the other grids properly biased to repel the unwanted species. We show that the end loss ion currents, involved the magnetic confinement, vary according as the strength of magnetic field
We compared an end loss ion distribution obtained from the Hanbit with ion energy from DC discharge to test the analyzer.