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X-Ray Polarimetry Workshop SLAC, Stanford, California 9-11 February 2004 |
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Bragg Crystal polarimeters
Herbert
Schnopper
Smithsonian Astrophysical Observatory
hschnopper@head.cfa.harvard.edu
Herbert W. Schnopper and Eric Silver
Bragg reflection of an unpolarized beam at 45 deg incidence will produce a beam that is 100 percent polarized. The polarization vector is parallel to the reflecting plane of the crystal. This technique can be used to analyse the properties of a partially polarized beam by rotating the crystal about an axis that is parallel to the beam and that makes an angle of 45 deg to the crystal surface. The application of this technique to the study of cosmic X-ray sources will be discussed.
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For more information, contact
Jennifer Formichelli |
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