Survey of hard x-ray imaging concepts currently proposed for viewing solar flares

Jonathan W. Campbell; John M. Davis; A. Gordon Emslie

doi:10.1117/12.23207

1 February 1991 Survey of hard x-ray imaging concepts currently proposed for viewing solar flares

Jonathan W. Campbell, John M. Davis, A. Gordon Emslie

Proceedings Volume 1343, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography; (1991) https://doi.org/10.1117/12.23207
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

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.

Citation Download Citation

Jonathan W. Campbell, John M. Davis, and A. Gordon Emslie "Survey of hard x-ray imaging concepts currently proposed for viewing solar flares", Proc. SPIE 1343, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography, (1 February 1991); https://doi.org/10.1117/12.23207

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