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High rez EMF mapping

  1. Aug 2, 2005 #1
    Greetings, This was posted in the Classic Physics section, reposted here in Quantum section in case someone here may have some experience in EMF mapping.

    I am currently working on an interesting experiment on crystalized metal and I need to find a way to get a detailed map of an electromagnetic field when DC current is induced into a metal sample. I found the basic 2D approach of using conductivity paper and Ag ink to be useless as it produces very crude results. I am looking for a way to yield more detail with fine lines that will show greater characteristics from my sample. A 3D map would be a good start I would think. I also would think such a fine mapping would be sensitive to environmental fields such as the Earths magnetic field, so I am guessing the experiment will need to be shielded in some way. My objective is to be able to differentiate between a crystalized and non crystalized sample based on its EMF signature, that is if its possible.

    Does anyone know of a way EMF's are mapped more precisely 2D or 3D? Sorry I am not a physicist so I am not familiar what is used in this type of work. Thanks in advance for any suggestions.
  2. jcsd
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