From Event: SPIE Optical Engineering + Applications, 2017
The Imaging X-ray Polarimetry Explorer (IXPE) was recently selected by NASA for flight in late 2020. IXPE features three identical x-ray telescopes each comprised of a 4-m-focal length mirror module assembly, fabricated at MSFC, that focuses x-rays onto a polarization-sensitive, imaging detector, contributed by Italy. Mirrors and detectors are separated by a deployable boom that sits atop a Ball-Aerospace-provided satellite bus. This presentation will give a brief overview of the IXPE mission with particular emphasis on the mirror module assembly design, fabrication approach, and expected performance. Trades performed to optimize the design within mass and launch-vehicle fairing constraints will be discussed, along with finite element analyses run to optimize the mechanical design. The presentation will also touch on modeling of leakage radiation from off-axis sources outside of the field of view.
B. D. Ramsey, "Optics for the Imaging X-ray Polarimetry Explorer (Conference Presentation)," Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 1039907 (Presented at SPIE Optical Engineering + Applications: August 08, 2017; Published: 3 October 2017); https://doi.org/10.1117/12.2275502.
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