Dead-time effects in microchannel-plate imaging detectors

Martin V. Zombeck; George W. Fraser

doi:10.1117/12.48330

1 October 1991 Dead-time effects in microchannel-plate imaging detectors

Martin V. Zombeck, George W. Fraser

Author Affiliations +

Proceedings Volume 1549, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II; (1991) https://doi.org/10.1117/12.48330
Event: San Diego, '91, 1991, San Diego, CA, United States

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.

Citation Download Citation

Martin V. Zombeck and George W. Fraser "Dead-time effects in microchannel-plate imaging detectors", Proc. SPIE 1549, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II, (1 October 1991); https://doi.org/10.1117/12.48330

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