18 July 2000 Production and testing of development mandrels for Constellation-X
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Abstract
Two identical Wolter type 1 mandrels, with 50 cm diameter and 8.4 meter focal length, to be used by NASA/MSFC for their Constellation-X mirror development program, have been produced and tested by Carl Zeiss. In August 1999, both mandrels have been delivered to MSFC. Key optical performance of both mandrels: On-axis HEW; < 3.2 arc sec and micro-roughness: better than 0.30 nm RMS. We will report about mandrels design, fabrication, test and verification of their X-ray optical performance.
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Wilhelm J. Egle, Juergen Altmann, Wolfgang Hafner, Gerhard Derst, H. Hoefer, Ulrich Bingel, "Production and testing of development mandrels for Constellation-X", Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); doi: 10.1117/12.391592; https://doi.org/10.1117/12.391592
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