Influence of alignment and surface defects on the performance of X-ray telescopes

Details Influence of alignment and surface defects on the performance of X-ray telescopes Influence of alignment and surface defects on the performance of X-ray telescopes

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979spie..184..211k&link_type=abstract

In: Space optics: Imaging X-ray optics workshop; Proceedings of the Seminar, Huntsville, Ala., May 22-24, 1979. (A80-17469 05-89

Computer Science

Performance

1

Performance Tests, Surface Defects, X Ray Telescopes, Alignment, Cross Sections, Graphs (Charts), Grazing Incidence, Grazing Incidence Telescopes

Scientific paper

The effects of misalignment and surface deformations on the image quality of a grazing incidence telescope with six nested subsystems are investigated. The axial rms-spot size serves as a measure for the image quality. The surface deformations are simulated by ellipsoidal and sinusoidal deviations from the ideal surface. Misalignments are tilts, decenters, and despaces of the individual elements. The effects of each type of defect are analyzed in a single two-element system. The full nested system is then analyzed in the presence of all possible defects on all 12 elements, whereby the magnitude of the defects is randomized within a given upper limit.

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