High-resolution imaging microchannel plate detector for EUV spectrometry

Details High-resolution imaging microchannel plate detector for EUV spectrometry High-resolution imaging microchannel plate detector for EUV spectrometry

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4140..199b&link_type=abstract

Proc. SPIE Vol. 4140, p. 199-210, X-Ray and Gamma-Ray Instrumentation for Astronomy XI, Kathryn A. Flanagan; Oswald H. Siegmund;

Astronomy and Astrophysics

Astronomy

3

Scientific paper

We describe the development of an imaging microchannel plate detector for a new class of high resolution EUV spectrometer. The detector incorporates a front MCP coated with a CsI photocathode to enhance quantum efficiency, while the rear MCP, supplied by Photonis SAS for a European Space Agency Technology Research Program, represents one of the first uses of a 6 micron pore device in astronomy. The detector uses a unique design of charge division anode, the Vernier readout, enabling it to deliver a spatial resolution better than 15 microns FWHM. The detector forms an integral component of J- PEX, a sounding rocket EUV spectrometer operating at near- normal incidence, using multilayer coated gratings to deliver a resolution and effective area 10 times that of EUVE in the 225 - 245 angstrom band.

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