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Proceedings Paper

Polarized X-ray sources for the 100m beamline calibration of the IXPE X-ray telescopes
Author(s): Samantha A. Johnson; Wayne H. Baumgartner; Eric T. Bradley; Christina Moraitis; Brian D. Ramsey
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Paper Abstract

The Imaging X-Ray Polarimetry Explorer (IXPE) is an X-ray telescope mission currently being built at NASA Marshall Space Flight Center (MSFC). IXPE will measure polarized X-rays in the 2-8 keV range and will reveal new information about astrophysical sources that produce polarized X-rays such as pulsars, AGN, magnetars, and supernovae remnants. Telescope calibration at MSFC's Stray Light Test Facility 100-m beamline will require a bright, highly polarized X-ray source. The design of the IXPE polarized sources for end-to-end telescope calibration will allow for testing at three energies (Rh Lα1 at 2.622 keV, Ti Kα1 at 4.511 keV, and Fe Kα1 at 6.404 keV). We present the design of the polarized sources and results based on laboratory operation.

Paper Details

Date Published: 9 September 2019
PDF: 8 pages
Proc. SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 111191S (9 September 2019); doi: 10.1117/12.2531126
Show Author Affiliations
Samantha A. Johnson, The Univ. of Alabama in Huntsville (United States)
Wayne H. Baumgartner, NASA Goddard Space Flight Ctr. (United States)
Eric T. Bradley, Univ. of Central Florida (United States)
Christina Moraitis, Universities Space Research Association (United States)
Brian D. Ramsey, NASA Marshall Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 11119:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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