Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1742..136f&link_type=abstract
In: Multilayer and grazing incidence X-ray/EUV optics for astronomy and projection lithography; Proceedings of the Meeting, San
Astronomy and Astrophysics
Astrophysics
Image Analysis, Paraboloid Mirrors, Test Facilities, X Ray Astrophysics Facility, X Ray Imagery, Grazing Incidence, High Resolution, Point Spread Functions, X Ray Detectors
Scientific paper
Initial core scan data of the VETA-1 X-ray mirror proved disappointing, showing considerable unpredicted image structure and poor measured FWHM. 2-D core scans were performed, providing important insight into the nature of the distortion. Image deconvolutions using a raytraced model PSF was performed successfully to reinforce our conclusion regarding the origin of the astigmatism. A mechanical correction was made to the optical structure, and the minor was tested successfully (FWHM 0.22 arcsec) as a result.
Bilbro James
Freeman Mark
Hughes Jacob
van Speybroeck Leon
Weisskopf Martin
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