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Fig. 13 | EPJ Techniques and Instrumentation

Fig. 13

From: Merged neutral beams

Fig. 13

Experimental characterization of the beam density normalisation for different voltages on the electrostatic lens. Top panel: ion signal (red dots, left scale) and REMPI signal (black dots, right scale) for NH 3 molecules being ionized either by Penning ionisation with Ne(3P2) or by REMPI, and focused with different lens voltages. Bottom panel: Ratio of the two signals from the first panel as a function of lens voltage

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