Assembly of the IXPE mirror modules

Stephen D. Bongiorno; Jeffery J. Kolodziejczak; Kiranmayee Kilaru; Ron Eng; Mark Stahl; Wayne H. Baumgartner; Nicholas Thomas; Jaganathan Ranganathan; Brian D. Ramsey; John Tucker

doi:10.1117/12.2594316

28 September 2021 Assembly of the IXPE mirror modules

Stephen D. Bongiorno, Jeffery J. Kolodziejczak, Kiranmayee Kilaru, Ron Eng, Mark Stahl, Wayne H. Baumgartner, Nicholas Thomas, Jaganathan Ranganathan, Brian D. Ramsey, John Tucker

Author Affiliations +

Proceedings Volume 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X; 118220Y (2021) https://doi.org/10.1117/12.2594316
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Expected to launch in Fall 2021, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Astrophysics Small Explorer Mission with significant contributions from the Italian space agency (ASI). Three identical x-ray telescopes combine to form the IXPE observatory. Each is comprised of a 4-m-focal length mirror module assembly (MMA, provided by NASA MSFC) that focuses x-rays onto a polarization-sensitive, imaging detector (contributed by ASI-funded institutions). This paper describes the now-completed assembly process for the 3 flight mirror modules and spare, and compares as-tested calibrated performance with as-built metrology data. Unexpected challenges and lessons-learned are also discussed.

Conference Presentation

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Stephen D. Bongiorno, Jeffery J. Kolodziejczak, Kiranmayee Kilaru, Ron Eng, Mark Stahl, Wayne H. Baumgartner, Nicholas Thomas, Jaganathan Ranganathan, Brian D. Ramsey, and John Tucker "Assembly of the IXPE mirror modules", Proc. SPIE 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X, 118220Y (28 September 2021); https://doi.org/10.1117/12.2594316

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