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Proceedings Paper

Processing Of Interferometric Fringe Scanner Data For The AXAF/TMA X-Ray Telescope
Author(s): Paul Glenn; Andrea Sarnik
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Paper Abstract

An interferometric fringe scanner was used for the Technology Mirror Assembly (TMA) x-ray telescope, built by Perkin-Elmer as a technology demonstration for the Advanced X-Ray Astrophysics Facility (AXAF). We discuss advanced data processing features, implemented during a follow-on project to improve the mirror's midfrequency errors still further. Data processing techniques include interleaving of multiple scans, and optimal smoothing and interpolation of the interleaved data onto a uniform grid. We discuss the underlying mathematics behind the processes, the motivation in terms of recovering the highest possible spatial frequencies from the data, and some sample results.

Paper Details

Date Published: 9 August 1988
PDF: 5 pages
Proc. SPIE 0830, Grazing Incidence Optics for Astronomical and Laboratory Applications, (9 August 1988); doi: 10.1117/12.942192
Show Author Affiliations
Paul Glenn, Bauer Associates, Inc. (United States)
Andrea Sarnik, Perkin-Elmer Corporation (United States)

Published in SPIE Proceedings Vol. 0830:
Grazing Incidence Optics for Astronomical and Laboratory Applications
C. Stuart Bowyer, Editor(s)

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