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Electromagnetically induced transparency is used to measure the spectroscopy of cold Rb Rydberg atoms. The spectroscopy is modified by the local electric field of an atom chip. It will discussed: - why the interpretation should be an electric field and not other disturbances; - what the distance dependence of the field is from the surface; - what the course is of the electric field. So far the measurements are possible down to 20 um from the surface. |
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