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In Situ Magnetic Field Characterization With The Directional Hanle Effect, Jarom Silver Jackson
In Situ Magnetic Field Characterization With The Directional Hanle Effect, Jarom Silver Jackson
Theses and Dissertations
We present a novel method of in situ magnetic field mapping related to the Hanle effect. This method uses the change in spatial radiation pattern of scattered light, which we call a 'directional Hanle effect,' rather than the loss of polarization more commonly associated with the Hanle effect. It is particularly well suited for fields in a magneto-optical trap (MOT), requiring only the addition of a narrow slit and a camera to typical MOT components. The use of this method is demonstrated by measuring the gradient through, and location of, the zero-point of the field in our strontium MOT.