Abstract

We report experimental studies of the deceleration of Ar9+ ions within a single tapered glass capillary with an inlet diameter of 1mm, an outlet diameter of 0.15mm and a length of 45mm. In the experiments we have chosen an incident ion energy of q·8.5keV (q – ion charge state). The influence of the deceleration potential between entrance and exit of the glass capillary on the intensity of the transmitted ion beam was measured. We detected a transmission of the ion beam up to a deceleration potential of 7kV. Hence, the ion beam was decelerated and compressed to a diameter of 150μm without using any additional decelerating lens systems.

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