Table 1. Peak widths of phase and knife-edge images as a function of Bragg angle.

		Knife object; fringe width in pixels			Phase object; edge width in pixels
Bragg angle (°)	Energy (keV)	Vertical	Horizontal	(|V − H|/V) × 100%	Vertical	Horizontal	(|V − H|/V) × 100%
6.55	33.2	3.058 ± 0.010	3.042 ± 0.008	0.52%	3.316 ± 0.039	5.119 ± 1.162	54%
7.05	30.9	3.059 ± 0.009	3.059 ± 0.007	0.00%	4.501 ± 0.085	4.982 ± 2.591	11%
7.30	29.8	3.076 ± 0.020	3.063 ± 0.010	0.42%	4.718 ± 0.241	6.414 ± 2.210	36%
7.55	28.8	3.073 ± 0.020	3.063 ± 0.010	0.33%	4.761 ± 0.010	4.505 ± 0.621	5.4%
7.80	27.9	3.059 ± 0.012	3.037 ± 0.010	0.72%	3.621 ± 0.003	7.092 ± 2.624	96%
8.05	27.0	3.063 ± 0.010	3.054 ± 0.005	0.29%	3.948 ± 0.190	4.302 ± 0.443	9.0%
8.55	25.5	3.051 ± 0.001	3.058 ± 0.007	0.23%	6.868 ± 0.025	5.114 ± 0.823	26%