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Proceedings Paper

SD2000: a new MCP-based UV detector
Author(s): Valter Bonvicini; Andrea Bucconi; Anna Gregorio; Alessandro Monfardini; Claudio Piemonte; Alexander Rashevsky; Roberto Stalio; Paolo Trampus; Andrea Vacchi; Marzio Vidali
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Paper Abstract

A new photon counting detector for UV Astronomy is presented. The SD2000 detector consists of a single MCP, coated with a suitable photocathode, closely coupled to a Silicon Drift Detector (SDD). A good spatial resolution, of the order of 20 micrometer in both directions, can be achieved with a relatively small number of readout channels (10 divided by 100). The maximum allowable rate, proportional to the drift length, is about 105 Hz for a 20 mm length focal plane. A new type of SDD, without metal deposition on the cathodes, has been developed and tested for this particular application. A single MCP has been coupled also to a metal anode and a silicon diode in order to characterize it and study the interaction between the incoming (low-energy) electron cloud and a silicon p-n junction similar to those present in the drift chamber.

Paper Details

Date Published: 18 December 2000
PDF: 8 pages
Proc. SPIE 4139, Instrumentation for UV/EUV Astronomy and Solar Missions, (18 December 2000); doi: 10.1117/12.410544
Show Author Affiliations
Valter Bonvicini, INFN Trieste (Italy)
Andrea Bucconi, Ctr. for Advanced Research in Space Optics (Italy)
Anna Gregorio, INFN Trieste (Italy), Ctr. for Advanced Research in Space Optics (Italy), and Univ. degli (Italy)
Alessandro Monfardini, Ctr. for Advanced Research in Space Optics (Italy)
Claudio Piemonte, INFN Trieste (Italy)
Alexander Rashevsky, INFN Trieste (Italy)
Roberto Stalio, INFN Trieste Ctr. for Advanced Research in Space Optics (Italy) and Univ. degli Studi di T (Italy)
Paolo Trampus, Ctr. for Advanced Research in Space Optics (Italy)
Andrea Vacchi, INFN Trieste (Italy)
Marzio Vidali, Ctr. for Advanced Research in Space Optics (Italy)


Published in SPIE Proceedings Vol. 4139:
Instrumentation for UV/EUV Astronomy and Solar Missions
Silvano Fineschi; Clarence M. Korendyke; Oswald H. W. Siegmund; Bruce E. Woodgate, Editor(s)

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