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Proceedings Paper

Survey of hard x-ray imaging concepts currently proposed for viewing solar flares
Author(s): Jonathan W. Campbell; John M. Davis; A. Gordon Emslie
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Paper Abstract

Several approaches to imaging hard x-rays emitted from solar flares have been proposed for the nineties. These include the fixed modulation collimator, the rotating modulation collimator (RMC), the spiral fresnel zone pattern, and the redundantly coded aperture. These techniques are under consideration for use in the Solar Maximum '91 balloon program, the Japanese Solar-A satellite, the Controls, Astrophysics, and Structures Experiment in Space (CASES), and the Pinhole/Occulter Facility (P/OF) and are outlined and discussed in the context of preliminary results from numerical modeling done at MSFC and the requirements derived from current ideas as to the expected hard x-ray structures in the impulsive phase of solar flares. Preliminary indications are that all of the approaches are promising, but each has its own unique set of limitations.

Paper Details

Date Published: 1 February 1991
PDF: 17 pages
Proc. SPIE 1343, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography, (1 February 1991); doi: 10.1117/12.23207
Show Author Affiliations
Jonathan W. Campbell, NASA/Marshall Space Flight Ctr. (United States)
John M. Davis, NASA/Marshall Space Flight Ctr. (United States)
A. Gordon Emslie, Univ. of Alabama in Huntsville (United States)

Published in SPIE Proceedings Vol. 1343:
X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography

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