0-5kV_in-decrease_10s.mp4 (13.8 MB)
Visualization 1 shows the focus changing with the applied voltage.
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posted on 2017-12-06, 19:05 authored by Lihui WangA video clip of our experiment is linked, which shows that the focal plane shifts from left to right of the target when the applied voltage is increased from zero to 5 kV and decteased to zero. In our experiment, the applied voltage was changed in steps of 0.5 kV.