Design and tests of the hard x-ray polarimeter X-Calibur

M. Beilicke; M. G. Baring; S. Barthelmy; W. R. Binns; J. Buckley; R. Cowsik; P. Dowkontt; A. Garson; Q. Guo; Y. Haba; M. H. Israel; H. Kunieda; K. Lee; H. Matsumoto; T. Miyazawa; T. Okajima; J. Schnittman; K. Tamura; J. Tueller; H. Krawczynski

doi:10.1117/12.893713

13 September 2011 Design and tests of the hard x-ray polarimeter X-Calibur

M. Beilicke, M. G. Baring, S. Barthelmy, W. R. Binns, J. Buckley, R. Cowsik, P. Dowkontt, A. Garson, Q. Guo, Y. Haba, M. H. Israel, H. Kunieda, K. Lee, H. Matsumoto, T. Miyazawa, T. Okajima, J. Schnittman, K. Tamura, J. Tueller, H. Krawczynski

Author Affiliations +

Proceedings Volume 8145, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII; 814506 (2011) https://doi.org/10.1117/12.893713
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

X-ray polarimetry promises to give qualitatively new information about high-energy astrophysical sources, such as binary black hole systems, micro-quasars, active galactic nuclei, and gamma-ray bursts. We designed, built and tested a hard X-ray polarimeter X-Calibur to be used in the focal plane of the InFOCμS grazing incidence hard X-ray telescope. X-Calibur combines a low-Z Compton scatterer with a CZT detector assembly to measure the polarization of 10-80 keV X-rays making use of the fact that polarized photons Compton scatter preferentially perpendicular to the electric field orientation. X-Calibur achieves a high detection efficiency of order unity.

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M. Beilicke, M. G. Baring, S. Barthelmy, W. R. Binns, J. Buckley, R. Cowsik, P. Dowkontt, A. Garson, Q. Guo, Y. Haba, M. H. Israel, H. Kunieda, K. Lee, H. Matsumoto, T. Miyazawa, T. Okajima, J. Schnittman, K. Tamura, J. Tueller, and H. Krawczynski "Design and tests of the hard x-ray polarimeter X-Calibur", Proc. SPIE 8145, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII, 814506 (13 September 2011); https://doi.org/10.1117/12.893713

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