Abstract
Method of using solid state nuclear track detector (SSNTD) to directly record the image of ion beam cross section at the focusing plane of an ion source is proposed. The ion beam of the 147 Sm isotopes emitted from a modified surface ionization ion source in a vacuum chamber has been used to test this method. The results showed the focusing property of the ion beam from the specially designed cylindrical mirror analyzer in the ion source. Cellulose nitrate films LR-115 (from Kodak-Pathé) have been used to collect 147 Sm isotopes at the chosen locations on and nearby the focusing point of the ion source, alpha particles emitted from the natural radioactive decay of 147 Sm were registered in the films. The alpha tracks were then etched out in a 2 N NaOH solution at 68°C and 30 min to show the ion beam cross sections.
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Schedule a callMore From: International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements
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