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Proceedings Paper

Hard x-ray microchannel plate imaging telescope
Author(s): John H. Chappell; Patrick O. Slane; Stephen S. Murray; W. Bruce Feller
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Paper Abstract

The proposed Hard X-ray Imager (HXI) telescope consists of a single 10 X 10 cm microchannel plate (MCP) detector combined with a URA coded aperture. The telescope is nominally configured for a 2.3 degree field of view and an angular resolution of 10 arcsec. Thus providing an order of magnitude or greater spatial resolution improvement over existing hard X-ray telescope. Depending on the final telescope design, the resolution may approach the 1 arcsec domain. The HXI detector has a spatial resolution of 50 micrometers ((sigma) ) and a single photon timing resolution of 1 microsecond(s) ec. The currently operating prototype detector has sensitivity from 10 to 120 keV with a quantum efficiency (QE) varying from 20% at 20 keV to of 8% at 100 keV.

Paper Details

Date Published: 19 October 1993
PDF: 12 pages
Proc. SPIE 1948, Astroparticle Physics and Novel Gamma-Ray Telescopes, (19 October 1993); doi: 10.1117/12.161377
Show Author Affiliations
John H. Chappell, Smithsonian Astrophysical Observatory (United States)
Patrick O. Slane, Smithsonian Astrophysical Observatory (United States)
Stephen S. Murray, Smithsonian Astrophysical Observatory (United States)
W. Bruce Feller, Nova Scientific, Inc. (United States)

Published in SPIE Proceedings Vol. 1948:
Astroparticle Physics and Novel Gamma-Ray Telescopes
David B. Cline, Editor(s)

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