Motion detection system for AXAF x-ray ground testing

Jonathan W. Arenberg; Scott C. Texter

doi:10.1117/12.140594

21 January 1993 Motion detection system for AXAF x-ray ground testing

Proceedings Volume 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography; (1993) https://doi.org/10.1117/12.140594
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The concept, implementation, and performance of the motion detection system (MDS) designed as a diagnostic for X-ray ground testing for AXAF are described. The purpose of the MDS is to measure the magnitude of a relative rigid body motion among the AXAF test optic, the X-ray source, and X-ray focal plane detector. The MDS consists of a point source, lens, centroid detector, transimpedance amplifier, and computer system. Measurement of the centroid position of the image of the optical point source provides a direct measure of the motions of the X-ray optical system. The outputs from the detector and filter/amplifier are digitized and processed using the calibration with a 50 Hz bandwidth to give the centroid's location on the detector. Resolution of 0.008 arcsec has been achieved by this system. Data illustrating the performance of the motion detection system are also presented.

Citation Download Citation

Jonathan W. Arenberg and Scott C. Texter "Motion detection system for AXAF x-ray ground testing", Proc. SPIE 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (21 January 1993); https://doi.org/10.1117/12.140594

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