A Tunable Energy Filter for Medical X-Ray Imaging

<table>Schematic of the experimental setup used
for the measurements. To simplify alignment, we measure on only one lens-half,
and instead of using a slit, a tantalum edge is scanned across the image plane.</table>

X-Ray Optics and Instrumentation

fig2

Figure 2

Figure 2: A Tunable Energy Filter for Medical X-Ray Imaging 