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Proceedings Paper

First results for SD2000 position-sensitive photon-counting MCP-based detector
Author(s): Marzio Vidali; Valter Bonvicini; Andrea Bucconi; Anna Gregorio; Alessandro Monfardini; Claudio Piemonte; Alexander Rashevsky; Roberto Stalio; Paolo Trampus; Andrea Vacchi
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Paper Abstract

SD2000 is a new photon counting MCP based detector. It consists of a single MCP, coated with a suitable photocathode, closely coupled to a Silicon Drift Detector (SDD). The electron clouds generated by the MCP channels are accelerated by a strong electric field applied and proximity focussed on the SDD, that works as a position sensitive read-out detector. The SDD, developed by the INFN laboratories in Trieste, is a butterfly Silicon Drift Detector with no metal deposition on its cathodes. The absence of metallization in the sensitive zone of the chamber allows the electron clouds to penetrate uniformly into the active region of the detector and to be revealed. A suitable front-end amplifier, that works as a charge preamplifier and a bipolar shaper, has been developed starting from SPICE simulations and tested. A proto-type of the detector has been realized and tested and the first results have been achieved and compared with the expected best performances of the detector.

Paper Details

Date Published: 10 December 2001
PDF: 9 pages
Proc. SPIE 4498, UV/EUV and Visible Space Instrumentation for Astronomy and Solar Physics, (10 December 2001); doi: 10.1117/12.450053
Show Author Affiliations
Marzio Vidali, Ctr. for Advanced Research in Space Optics (Italy)
Valter Bonvicini, Istituto Nazionale di Fisica Nucleare Trieste (Italy)
Andrea Bucconi, Ctr. for Advanced Research in Space Optics (Italy)
Anna Gregorio, Ctr. for Advanced Research in Space Optics and Univ. degli Studi di Trieste and Istituto N (Italy)
Alessandro Monfardini, Ctr. for Advanced Research in Space Optics and Univ. degli Studi di Trieste and Istituto N (Italy)
Claudio Piemonte, Istituto Nazionale di Fisica Nucleare Trieste (Italy)
Alexander Rashevsky, Istituto Nazionale di Fisica Nucleare Trieste (Italy)
Roberto Stalio, Ctr. for Advanced Research in Space Optics and Univ. degli Studi di Trieste and Istituto N (Italy)
Paolo Trampus, Ctr. for Advanced Research in Space Optics (Italy)
Andrea Vacchi, Istituto Nazionale di Fisica Nucleare Trieste (Italy)


Published in SPIE Proceedings Vol. 4498:
UV/EUV and Visible Space Instrumentation for Astronomy and Solar Physics
Oswald H. W. Siegmund; Silvano Fineschi; Mark A. Gummin, Editor(s)

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