Abstract
The present plasma focus device (0.1 kJ Mather type) is powered by a capacitor bank of 1 μF at 15 kV maximum charging voltage. The radiations emission was investigated using time-integrated thermoluminescence TLD-500. These detectors have been calibrated against standard X-ray machine (VIC model 4000M+) as well as standard gamma sources (Co60 and Cs137) to identify the dose from X-ray delivered to the dosimeter. It is found that from the results of time-integrated detectors, the maximum radiation dose obtained at 0.1 Torr pressure and charging voltage 15 kV for different gases. At this pressure, the device favours a proper discharge dynamics so as to form a strong pinching i.e. transferring maximum energy into plasma.
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