Recently the forum does not send us email notifications for any post updates so I just found your new reply.
E field in a plane has a lot of data, and in order to get it from a sweep, you will first need to use fixed mesh size for the range of the radius change. make sure from min/max radius the field data has the same dimension. Then you can export it through sweep, the same as the point monitor. The only difference is, it has a lot of data, and it can slow your simulation and final data collection. The swept data will be at least 3D: xy (if it is in xy plane) and radius, for a fixed wavelength. If it is broadband, it will be 4D. Usually it is not necessary, since too much data cannot be viewed in one image. Please reconsider what is the most imortant data for you.
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