Optical measurements of the XSPECT mirrors and the assembled mirror modules for the SODART x-ray telescope on the Spectrum-X-Gamma satellite

Details Optical measurements of the XSPECT mirrors and the assembled mirror modules for the SODART x-ray telescope on the Spectrum-X-Gamma satellite Optical measurements of the XSPECT mirrors and the assembled mirror modules for the SODART x-ray telescope on the Spectrum-X-Gamma satellite

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.3113..458w&link_type=abstract

Proc. SPIE Vol. 3113, p. 458-468, Grazing Incidence and Multilayer X-Ray Optical Systems, Richard B. Hoover; Arthur B. Walker; E

Computer Science

Scientific paper

The Danish Space Research Institute is supplying high- throughput x-ray mirror modules (MM) for the SODART telescopes to be flown on the Russian Spectrum-X-Gamma mission. We have finished the process of building two flight units and one spare unit. We have measured 5500 flight quality single mirrors using laser scanning. Edge deformations have been found to be a persistent phenomenon giving rise to reduced effective area and alignment accuracy. The degree of foil straightness is a function of the radius of curvature. Detailed optical measurements of the MMs is a control of the mechanical alignment achieved by repeated adjustments between the stages of assembly. The results of these investigations are discussed and compared with x-ray calibration measurements. A combination of the optical results and x ray results is fed into a raytracing code resulting in a reliable prediction of the imaging capabilities of the SODART telescopes.

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