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Proceedings Paper

Soft x-ray polarimeter laboratory tests
Author(s): Kendrah D. Murphy; Herman L. Marshall; Norbert S. Schulz; Kevin Jenks; Sophie J. B. Sommer; Eric A. Marshall
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Paper Abstract

Multilayer-coated optics can strongly polarize X-rays and are central to a new design of a broad-band, soft X-ray polarimeter. We have begun laboratory work to verify the performance of components that could be used in future soft X-ray polarimetric instrumentation. We have reconfigured a 17 meter beamline facility, originally developed for testing transmission gratings for Chandra, to include a polarized X-ray source, an X-ray-dispersing transmission grating, and a multilayer-coated optic that illuminates a CCD detector. The X-rays produced from a Manson Model 5, multi-anode source are polarized by a multilayer-coated flat mirror. The current configuration allows for a 180 degree rotation of the source in order to rotate the direction of polarization. We will present progress in source characterization and system modulation measurements as well as null and robustness tests.

Paper Details

Date Published: 29 July 2010
PDF: 9 pages
Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77322Y (29 July 2010); doi: 10.1117/12.857574
Show Author Affiliations
Kendrah D. Murphy, Massachusetts Institute of Technology (United States)
Herman L. Marshall, Massachusetts Institute of Technology (United States)
Norbert S. Schulz, Massachusetts Institute of Technology (United States)
Kevin Jenks, Massachusetts Institute of Technology (United States)
Sophie J. B. Sommer, Colgate Univ. (United States)
Eric A. Marshall, The Univ. of New Hampshire (United States)


Published in SPIE Proceedings Vol. 7732:
Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray
Monique Arnaud; Stephen S. Murray; Tadayuki Takahashi, Editor(s)

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