Adaptive electronics for image readout of a UV microchannel plate detector for space and terrestrial instrumentation

Steven A. Leach; Jon S. Lapington

doi:10.1117/12.2024153

26 September 2013 Adaptive electronics for image readout of a UV microchannel plate detector for space and terrestrial instrumentation

Steven A. Leach, Jon S. Lapington

Author Affiliations +

Proceedings Volume 8859, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII; 88590V (2013) https://doi.org/10.1117/12.2024153
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Adaptive high speed low noise detector electronics are being developed for a UV imaging instrument for application to astronomy and planetary science space missions and for various other terrestrial high speed imaging applications. Forthcoming space missions such as ESA JUICE¹ and the World Space ^Observatory2have requirements for UV photon counting imaging detectors with high dynamic range, high spatial resolution and high radiation tolerance. Imaging techniques that can adapt to different luminosity conditions and optimise the image spatial resolution against the incoming photon event rate can provide significant performance advantages. We introduce an imaging photon counting Microchannel Plate (MCP) detector utilising a low noise Capacitive Division Image Readout (C-DIR)³ with adaptive pulse shaping capability. Our experimental setup provides controllable photon count rates for end-to-end detector performance measurement and system calibration. It uses a four channel fast digitiser which enables us to easily investigate various digital pulse shaping techniques and vary shaping time constants to assess their impact on detector performance. In this paper we describe our laboratory experimental setup, illustrate the method of imaging from photon counting and describe techniques for quantifying the image spatial resolution. Finally we present our current set of results comparing the measured spatial resolution with the theoretical determined from the measured intrinsic electronic noise of the system.

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Steven A. Leach and Jon S. Lapington "Adaptive electronics for image readout of a UV microchannel plate detector for space and terrestrial instrumentation", Proc. SPIE 8859, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII, 88590V (26 September 2013); https://doi.org/10.1117/12.2024153

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KEYWORDS

Sensors

Electronics

Microchannel plates

Spatial resolution

Image resolution

Photon counting

Ultraviolet radiation

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