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.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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Metrology

Inspection

Mirrors

Nickel

X-ray optics

Plating

Microscopes

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