Physics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ssrv...29..443a&link_type=abstract
(Schweizerische Naturforschende Gesellschaft and Eidgenoesische Technische Hochschule Zuerich, Conference on Solar Physics from
Physics
1
Angular Resolution, Extreme Ultraviolet Radiation, Grazing Incidence Telescopes, High Resolution, X Ray Telescopes, Fabrication, Mirrors, Point Spread Functions, Reflecting Telescopes, Structural Design
Scientific paper
With the aim of building high-resolution grazing incidence telescopes for the EUV regime, much work has been done over the past two decades to improve the angular resolution of an X-ray mirror and to understand its point spread function. Based on the performance data of the best X-ray optics (ATMS-054), Einstein-Observatory, MPI, EXOSAT), the requirements for building an EUV telescope with sub-arcsec angular resolution are estimated, and problem areas in manufacturing these telescopes are discussed. In particular, the effect of an imperfect mirror system on imaging quality is discussed, with consideration to both surface microroughness and macroscopic manufacturing tolerances. Finally, values of optical fabrication tolerances for existing X-ray mirrors are given, and means of improving these values are outlined
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