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Simple filters enable x-ray polarization measurements

DOI: 10.1117/2.1200904.1585 DOI Help

Authors: Adrian Martindale (University of Leicester) , Nigel Bannister (University of Leicester) , Daniel Cotton (University of Leicester) , George Fraser (University of Leicester) , Kenneth Harris (Cardiff University) , Benson Kariuki (Cardiff University) , Ben Palmer (Cardiff University) , Steve Collins (Diamond Light Source) , Greg Solan (University of Leicester) , Andrew Armitage (University of Leicester) , Mervyn Roy (Department of Physics and Astronomy, University of Leicester)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Spie Newsroom

State: Published (Approved)
Published: April 2009

Abstract: Measurements of the degree and angle of polarization of emission from astronomical sources enable physical characterization of the objects and environmental conditions from which the photons originate. However, a lack of suitable instrumentation in the x-ray and gamma-ray regimes has been frustrating astronomers for over three decades. To date, only one unambiguous astrophysical x-ray polarization measurement has been obtained: the Crab Nebula was observed to exhibit 19% linear polarization at 2.6keV.

Subject Areas: Physics


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