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24 July 2014 Improved resolution in wide-field ultraviolet astronomical imaging
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Abstract
Heritage wide-field ultraviolet imagers have observed large (~30°) fields-of-view, but suffer from relatively poor (~0.6°) spatial resolution. Improvements in mirror design and fabrication technology allow for a new two-mirror design that preserves a large (40°x20°) field-of-view, while improving spatial resolution by nearly a factor of ten to 0.07° while imaging onto a flat focal surface. Such an imager has uses in a number of ultraviolet astronomical applications, including plasmaspheric imaging and monitoring of the interplanetary medium.
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Michael W. Davis, Thomas K. Greathouse, and G. Randall Gladstone "Improved resolution in wide-field ultraviolet astronomical imaging", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914404 (24 July 2014); https://doi.org/10.1117/12.2057020
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