Photonic programmable pulser for the Veto Wall detector and measuring system tests in the ZEUS experiment at the HERA accelerator

Krzysztof T. Pozniak; Marek Adamus

doi:10.1117/12.348719

14 May 1999 Photonic programmable pulser for the Weto Wall detector and measuring system tests in the ZEUS experiment at the HERA accelerator

Krzysztof T. Pozniak, Marek Adamus

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Proceedings Volume 3731, Optical Fibers and Their Applications VI; (1999) https://doi.org/10.1117/12.348719
Event: Optical Fibers and Their Applications VI, 1998, Bialowieza, Poland

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.

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Krzysztof T. Pozniak and Marek Adamus "Photonic programmable pulser for the Weto Wall detector and measuring system tests in the ZEUS experiment at the HERA accelerator", Proc. SPIE 3731, Optical Fibers and Their Applications VI, (14 May 1999); https://doi.org/10.1117/12.348719

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KEYWORDS

Sensors

Scintillators

Light emitting diodes

Particles

Clocks

Photomultipliers

Electrons

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