Processing of interferometric fringe scanner data for the AXAF/TMA X-ray telescope

Details Processing of interferometric fringe scanner data for the AXAF/TMA X-ray telescope Processing of interferometric fringe scanner data for the AXAF/TMA X-ray telescope

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apopt..27.1534g&link_type=abstract

(SPIE, Conference on Grazing Incidence Optics for Astronomical and Laboratory Applications, San Diego, CA, Aug. 17-19, 1987) App

Astronomy and Astrophysics

Astrophysics

1

Image Processing, Interferometers, Spaceborne Telescopes, X Ray Telescopes, Diffraction Patterns, Kalman Filters, Mirrors, X Ray Astrophysics Facility

Scientific paper

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

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