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Proceedings Paper

Dead-time effects in microchannel-plate imaging detectors
Author(s): Martin V. Zombeck; George W. Fraser
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Paper Abstract

The observed counting rates of microchannel plate (MCP) based detectors for high resolution observations of celestial EUV and X-ray sources vary over many orders of magnitude; the counting capability of an individual channel, however, is not high, and is associated with dead-times ranging from 0.1 msec to 1 sec. The dead-time increases with the area illuminated; attention is presently given to laboratory determinations of the count rate characteristics of a MCP detector as a function of illuminated area, and a model is developed for these results' use in the interpretation of space observations.

Paper Details

Date Published: 1 October 1991
PDF: 11 pages
Proc. SPIE 1549, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II, (1 October 1991); doi: 10.1117/12.48330
Show Author Affiliations
Martin V. Zombeck, Harvard-Smithsonian Ctr. for Astrophysics (United States)
George W. Fraser, Univ. of Leicester (United Kingdom)

Published in SPIE Proceedings Vol. 1549:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II
Oswald H. W. Siegmund; Richard E. Rothschild, Editor(s)

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