Polarimeter for Low Energy X-ray Astrophysical Sources (PLEXAS)

Details Polarimeter for Low Energy X-ray Astrophysical Sources (PLEXAS) Polarimeter for Low Energy X-ray Astrophysical Sources (PLEXAS)

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002stin...0266762m&link_type=abstract

Technical Report, Smithsonian Astrophysical Observatory Cambridge, MA United States

Astronomy and Astrophysics

Astrophysics

X Ray Telescopes, Polarimeters, Astronomical Polarimetry, Instrument Orientation, Polarization Modulation, Astrophysics, Reflectance, Polarized Electromagnetic Radiation, X Rays, Electron Bombardment, Test Facilities

Scientific paper

The Polarimeter for Low Energy X-ray Astrophysical Sources (PLEXAS) is an astrophysics mission concept for measuring the polarization of X-ray sources at low energies below the C-K band (less than 277 eV). PLEXAS uses the concept of variations in the reflectivity of a multilayered X-ray telescope as a function of the orientation of an X-rays polarization vector with respect to the reflecting surface of the optic. By selecting an appropriate multilayer, and rotating the X-ray telescope while pointing to a source, there will be a modulation in the source intensity, as measured at the focus of the telescope, which is proportional to the degree of polarization in the source.

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