Predicted performance of the lithium scattering and graphite crystal polarimeter for the Spectrum-X-Gamma mission

Details Predicted performance of the lithium scattering and graphite crystal polarimeter for the Spectrum-X-Gamma mission Predicted performance of the lithium scattering and graphite crystal polarimeter for the Spectrum-X-Gamma mission

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1343..457w&link_type=abstract

IN: X-ray/EUV optics for astronomy, microscopy, polarimetry, and projection lithography; Proceedings of the Meeting, San Diego,

Physics

Optics

1

Astronomical Polarimetry, Calibrating, Polarimeters, Satellite-Borne Instruments, X Ray Scattering, X Ray Telescopes, Bragg Cells, Experiment Design, Graphite, Lithium, Monte Carlo Method, Proportional Counters

Scientific paper

X-ray scattering from a lithium disk and Bragg reflection from a mosaic graphite crystal can be exploited to measure the linear polarization of radiation emitted from cosmic X-ray sources. The sensitivity is greatly enhanced if these polarimeters are placed at the focus of an X-ray telescope. Such devices form two of the three components of the Stellar X-Ray Polarimeter experiment scheduled to fly on the Spectrum-X-Gamma mission. The experiment will reside at the focus of one of the SODART X-ray telescopes. The expected on-axis performance of these two components of the Stellar X-Ray Polarimeter experiment based on detailed Monte-Carlo simulation is described. Various systematic effects, both external and internal to the experiment, that must be considered in order to properly design and utilize the experiment are also discussed.

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