21 January 1993 Image analysis of the AXAF VETA-1 X-ray mirror
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Abstract
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.
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Mark D. Freeman, Mark D. Freeman, John P. Hughes, John P. Hughes, Leon P. Van Speybroeck, Leon P. Van Speybroeck, James W. Bilbro, James W. Bilbro, Martin C. Weisskopf, Martin C. Weisskopf, } "Image analysis of the AXAF VETA-1 X-ray mirror", Proc. SPIE 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (21 January 1993); doi: 10.1117/12.140548; https://doi.org/10.1117/12.140548
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