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ND in the radial (left) and longitudinal (center) directions with the vector magnitude (right). The antenna was located along the z axis. The origin (r = 0, z = 0) is approximately at the center of the ablation zone. The numbers in the figures show normalized displacement in percent. Positive numbers represent movement toward the origin. Singularities occurred in the longitudinal component near z = 0 so the longitudinal normalized displacement only shows the range from 5% to 45%.
