A trapped-ion local field probe |
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Authors: | G Huber F Ziesel U Poschinger K Singer F Schmidt-Kaler |
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Institution: | (1) Department of Physics Unit 3046, University of Connecticut, 2152 Hillside Road, 06269-3046 Storrs, CT, USA |
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Abstract: | We introduce a measurement scheme that utilizes a single ion as a local field probe. The ion is confined in a segmented Paul
trap and shuttled around to reach different probing sites. By the use of a single atom probe, it becomes possible characterizing
fields with spatial resolution of a few nm within an extensive region of millimeters. We demonstrate the scheme by accurately
investigating the electric fields providing the confinement for the ion. For this we present all theoretical and practical
methods necessary to generate these potentials. We find sub-percent agreement between measured and calculated electric field
values. |
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Keywords: | |
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