Processing Of Interferometric Fringe Scanner Data For The AXAF/TMA X-Ray Telescope

Paul Glenn; Andrea Sarnik

doi:10.1117/12.942192

9 August 1988 Processing Of Interferometric Fringe Scanner Data For The AXAF/TMA X-Ray Telescope

Paul Glenn, Andrea Sarnik

Proceedings Volume 0830, Grazing Incidence Optics for Astronomical and Laboratory Applications; (1988) https://doi.org/10.1117/12.942192
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

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.

Citation Download Citation

Paul Glenn and Andrea Sarnik "Processing Of Interferometric Fringe Scanner Data For The AXAF/TMA X-Ray Telescope", Proc. SPIE 0830, Grazing Incidence Optics for Astronomical and Laboratory Applications, (9 August 1988); https://doi.org/10.1117/12.942192

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