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29 March 2024
 
  » arxiv » hep-ex/9909017

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Supersensitive avalanche silicon drift photodetector
Z. Ya. Sadygov ; M. K. Suleimanov ; T. Yu. Bokova ;
Date 10 Sep 1999
Subject hep-ex
AbstractPhysical principles of performance and main characteristics of a novel avalanche photodetector developed on the basis of MOS(metal-oxide-silicon) technology is presented. The photodetector contains a semitransparent gate electrode and a drain contact to provide a drift of multiplicated charge carriers along the semiconductor surface. A high gain(more than 10^4) of photocurrent was achived due to the local negative feedback effect realizied on the Si-SiO_2 boundary. Special attention is paid to the possibilities of development of a supersensitive avalanche CCD (charge coupled device) for detection of individual photons in visible and ultraviolet spectral regions. Experimental results obtained with a two-element CCD prototype are discussed.
Source arXiv, hep-ex/9909017
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