Abstract
In the experiment to determine the plasma electron temperature, a modified multi-channel PIN diodes assembly is used as detectors to record the x-ray pulses from a low-energy Mather-type plasma focus device energized by a 32 μF, 15 kV (3.6 kJ) single capacitor, with deuterium as a filling gas. The ratio of the integrated bremsstrahlung emission transmitting through foils to the total incident flux as a function of foil thickness at various temperatures is obtained for foil absorbers of material. Using 3 μm, 6 μm, 9 μm, 12 μm, 15 μm and 18 μm thick aluminium absorbers, the transmitted x-ray flux is detected. By comparing the experimental and theoretical curves through a computer program, the plasma electron temperature is determined. Results show that the deuterium focus plasma electron temperature is about 800 eV.
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