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Proceedings Paper

Photonic programmable pulser for the Veto Wall detector and measuring system tests in the ZEUS experiment at the HERA accelerator
Author(s): Krzysztof T. Pozniak; Marek Adamus
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Paper Abstract

Background rejection power of Veto Wall detector in ZEUS experiment significantly depends on electronics and photonics efficiency. This paper describes idea, and recent solution, for programmable multi-channel optical pulser. The pulser excites, with short electrical pulses, certain light emitting diodes. LEDs are placed in scintillators. These tests simulate flight of real particles through scintillator. The scintillator works as an optical waveguide in which guides photons to both ends of scintillators. These ends are attached to photomultipliers. Photons cause avalanche multiplication of electrons and an electrical pulse resulting in registered by measuring system. Some results of pulser application are presented for diagnosis of all processing blocks of measuring system. Paper includes also, for the sake of completeness, description of the functional structure of measuring system.

Paper Details

Date Published: 14 May 1999
PDF: 14 pages
Proc. SPIE 3731, Optical Fibers and Their Applications VI, (14 May 1999); doi: 10.1117/12.348719
Show Author Affiliations
Krzysztof T. Pozniak, Warsaw Univ. of Technology (Poland)
Marek Adamus, Institute for Nuclear Studies (Poland)

Published in SPIE Proceedings Vol. 3731:
Optical Fibers and Their Applications VI
Jan Dorosz; Ryszard S. Romaniuk, Editor(s)

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