Leaky fields from damaged shields

The problem of small wire faults in cable shields is addressed in this paper. Small faults such as damage to the shield are very difficult to detect. Common tools such as time domain reflectometry may not be able to distinguish a reflection from a small fault hidden in the noise. Damage to the shield has the potential of being seen from the outside of the cable; perhaps not visually due to the size of the damage, but electrically. Electromagnetic fields escape through small cracks or holes in the shield. We would like to use these external fields to diagnose the faults in the shield. This paper evaluates if those fields are detectable and how to detect them.