20 September 2007 Testing of the mirrors for the Constellation-X spectroscopy x-ray telescope with a refractive null
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Abstract
We present an introduction to the use of a refractive null lens for testing grazing incidence x-ray mirrors for the Constellation-X mission. The singular role of mirror mounting in glass shell mirror metrology is also touched upon. We compare results achieved to date with mission requirements along with some of the unique properties of the null lens. Additionally, uses beyond mirror metrology are briefly discussed.
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J. P. Lehan, T. Hadjimichael, C. Skocik, "Testing of the mirrors for the Constellation-X spectroscopy x-ray telescope with a refractive null", Proc. SPIE 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III, 668819 (20 September 2007); doi: 10.1117/12.733096; https://doi.org/10.1117/12.733096
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