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Proceedings Article

Advanced, two-dimensional, high-resolution microchannel plate detector for sounding rocket experiments

[+] Author Affiliations
Scott P. Sarlin, James C. Green

Univ. of Colorado/Boulder (USA)

Oswald H. W. Siegmund

Univ. of California/Berkeley (USA)

Proc. SPIE 2280, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V, 46 (September 16, 1994); doi:10.1117/12.186836
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From Conference Volume 2280

  • EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V
  • Oswald H. W. Siegmund; John V. Vallerga
  • San Diego, CA | July 24, 1994

abstract

We discuss a very high resolution imaging microchannel plate (MCP) detector developed for use in a high resolution ((lambda) /(Delta) (lambda) equals30,000) ultraviolet spectrograph which will fly aboard a NASA sounding rocket. The detector utilizes hybrid anode, referred to as a double delay line, which encodes x-axis position from time delay measurements and y-axis position by charge division. The detector uses low resistance MCP's in a z-stack arrangement to achieve high local count rates and a gain of 2 X 107 electrons per incident photon. The detector has a resolution of 20 micrometers FWHM throughout a 6x1 cm active area. The use of a KBr photocathode and a repeller grid boosts the quantum efficiency of the bare MCP's to over 40% at approximately equals 1100 angstroms.

© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Scott P. Sarlin ; Oswald H. W. Siegmund and James C. Green
"Advanced, two-dimensional, high-resolution microchannel plate detector for sounding rocket experiments", Proc. SPIE 2280, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V, 46 (September 16, 1994); doi:10.1117/12.186836; http://dx.doi.org/10.1117/12.186836


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