X-Ray Optics and Instrumentation / 2010 / Article / Fig 14

Review Article

X-Ray Pore Optics Technologies and Their Application in Space Telescopes

Figure 14

PSF of the first 4 (a) and 20 (b) plates of a mirror module consisting of 20 wedged plates measured using established procedures in double reflection at 2.8 keV at the FEM beamline in the PTB lab at the BESSY synchrotron radiation facility. The full length of the plate was scanned using a 100 μm pencil beam with an intrinsic HEW of 4. The scans where repeated every 2 mm over the full width of the plate. The resulting PSF, excluding the direct beam, has a HEW of 8.9 (4 plates) and 16 (20 plates).

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