Table 2.

Location error and average deviation of the inverse distribution of the constant and gradient field multiple Z scan.

	Original source position	Calculated maximum distribution position	Location error (cm)	Average deviation
Constant field	[2.0, 1.0, 0.1]	[2.0, 0.7, 0.3]	0.361	0.00505
	[2.0, 1.0, 0.6]	[2.0, 0.7, 0.8]	0.361	0.00984
	[2.0, 1.0, 1.1]	[2.0, 1.0, 1.1]	0.000	0.00215
Multiple Z scan (gradient)	[2.0, 1.0, 0.1]	[2.0, 0.8, 0.2]	0.224	0.00442
	[2.0, 1.0, 0.6]	[2.0,1.0, 0.6]	0.000	0.00664
	[2.0, 1.0, 1.1]	[2.0, 1.0, 1.1]	0.000	0.00287