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Proceedings Paper

Panoramic detector with high time resolution on base of GaAs photocathode
Author(s): Grigory Beskin; Vjacheslav de-Bur; Sergey Karpov; Vladimir Plokhotnichenko; Aleksander Terekhov; Sergey Kosolobov; Heinrich Sheibler; Noah Brosch; Andrew Shearer; Emilio Molinari
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Paper Abstract

The Position-Sensitive Detector (PSD) on base of GaAs photocathode and microchannel plate set has been developed. PSD consists of thick semiconductor photocathode with quantum efficiency about 48% in the range of 4000-8000AA, two microchannel plates, and 16-electrode collector. The detector has spatial resolution of 20-30 microns for about 5 • 105 pixels, time resolution of 1 us and effective sensitivity up to 40%.

Paper Details

Date Published: 24 July 2008
PDF: 9 pages
Proc. SPIE 7021, High Energy, Optical, and Infrared Detectors for Astronomy III, 702120 (24 July 2008); doi: 10.1117/12.788438
Show Author Affiliations
Grigory Beskin, Special Astrophysical Observatory (Russia)
Vjacheslav de-Bur, Special Astrophysical Observatory (Russia)
Sergey Karpov, Special Astrophysical Observatory (Russia)
Vladimir Plokhotnichenko, Special Astrophysical Observatory (Russia)
Aleksander Terekhov, Institute of Semiconductor Physics (Russia)
Sergey Kosolobov, Institute of Semiconductor Physics (Russia)
Heinrich Sheibler, Institute of Semiconductor Physics (Russia)
Noah Brosch, Tel Aviv Univ. (Israel)
Andrew Shearer, National Univ. of Ireland, Galway (Ireland)
Emilio Molinari, Osservatorio Astronomico di Brera (Italy)


Published in SPIE Proceedings Vol. 7021:
High Energy, Optical, and Infrared Detectors for Astronomy III
David A. Dorn; Andrew D. Holland, Editor(s)

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