Fabrication, evaluation, and performance of machined metal grazing incidence telescopes

Details Fabrication, evaluation, and performance of machined metal grazing incidence telescopes Fabrication, evaluation, and performance of machined metal grazing incidence telescopes

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apopt..27.1414b&link_type=abstract

(SPIE, Conference on Grazing Incidence Optics for Astronomical and Laboratory Applications, San Diego, CA, Aug. 17-19, 1987) App

Physics

Optics

7

Grazing Incidence, Metal Surfaces, Optical Properties, Spaceborne Telescopes, Mirrors, Standards, Surface Finishing

Scientific paper

The fabrication, evaluation, and performance of machined grazing incidence metal optics for applications ranging from telescopes with imaging of minutes of arc to those with imaging in the less-than-10-arcsec range are reviewed. Issues considered in the fabrication process include the choice of machining substrate, the choice of machine tool, the choice of method for removing tool marks, and the choice of a reflective surface. Means of evaluating the mirror performance include the FWHM and determination of noncircularity and surface roughness. Characteristics of previous and current grazing incidence metal mirrors are presented, with emphasis on the Einstein and Rosat optics.

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