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Proceedings Paper

Objective double-crystal spectrometer
Author(s): Arthur B. C. Walker; Thomas D. Willis; Richard B. Hoover
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Paper Abstract

The solar corona, supernova remnants, the hot diffuse interstellar gas in the Galaxy, galactic halos, and the hot intracluster gas in rich clusters of galaxies, are examples of extended astrophysical plasmas which emit line-rich spectra in the X-ray spectral range from 1.5 to 25 A. These phenomena represent a significant fraction of the baryonic matter in the universe. The study of the composition, structure and dynamics of these astrophysical plasmas requires observations with both high spectral and spatial resolution simultaneously. The Objective Double Crystal Spectrometer, coupled with a grazing incidence X-ray telescope, represents a stigmatic instrument which is highly efficient for the study of such sources. We describe the configuration and performance (spatial resolution, spectral resolution and efficiency) of the Objective Double Crystal spectrometer.

Paper Details

Date Published: 1 January 1992
PDF: 10 pages
Proc. SPIE 1546, Multilayer and Grazing Incidence X-Ray/EUV Optics, (1 January 1992); doi: 10.1117/12.51242
Show Author Affiliations
Arthur B. C. Walker, Stanford Univ. (United States)
Thomas D. Willis, Stanford Univ. (United States)
Richard B. Hoover, NASA/Marshall Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 1546:
Multilayer and Grazing Incidence X-Ray/EUV Optics
Richard B. Hoover, Editor(s)

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