The AXAF technology program: The optical flats tests

Details The AXAF technology program: The optical flats tests The AXAF technology program: The optical flats tests

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984axaf.rept.....w&link_type=abstract

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Astronomy and Astrophysics

Astrophysics

Microanalysis, Mirrors, Optical Measurement, Optical Properties, Polishing, Reflectance, Surface Finishing, Surface Roughness, X Ray Analysis, X Ray Astrophysics Facility, X Ray Scattering, X Ray Telescopes, Diffractometers, Fourier Analysis, Gold Coatings, Metal Coatings, Nickel Coatings, Platinum Compounds, Profilometers, Reflecting Telescopes, Scatterometers, X Ray Diffraction

Scientific paper

The results of a technology program aimed at determining the limits of surface polishing for reflecting X-ray telescopes is presented. This program is part of the major task of developing the Advanced X-ray Astrophysical Facility (AXAF). By studying the optical properties of state-of-the-art polished flat surfaces, conclusions were drawn as to the potential capability of AXAF. Surface microtopography of the flats as well as their figure are studied by X-ray, visual, and mechanical techniques. These techniques and their results are described. The employed polishing techniques are more than adequate for the specifications of the AXAF mirrors.

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