Physics – Optics
Scientific paper
Nov 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005apopt..44.7098m&link_type=abstract
Applied Optics IP, vol. 44, Issue 33, pp.7098-7105
Physics
Optics
1
Diffraction, X-Ray Imaging, X-Ray Mirrors, Astronomical Optics
Scientific paper
We investigate the fundamental spatial resolution of an x-ray pore optic as a function of the pore dimensions, the photon energy, and the focal length. We achieve this by calculating the shape of the focal spot, using diffraction integrals such that the half-energy width is determined. Quantitative results are presented for the X-Ray Evolving Universe Spectroscopy (XEUS) telescope, showing that a resolution of better than 2 arc sec half-energy width is possible by use of an optic with pore sizes of approximately 0.5 mm.
Beijersbergen Marco W.
Mieremet Arjan L.
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