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Single photon avalanche detectors for fluorescence imaging applications

  • Alan P. Morrison
  • , Vasileios S. Sinnis
  • , Laura Varisco
  • , Franco Zappa
  • , Massimo Ghioni

Research output: Contribution to journalArticlepeer-review

Abstract

Linear arrays of single photon avalanche detectors (SPADs), fabricated using a novel planar process that is compatible with CMOS technology, are presented here. Their suitability for application in fluorescence correlation spectroscopy (FCS) is investigated by examining characteristics such as the dark counting rate, breakdown voltage and quantum efficiency. The problem of optical crosstalk between pixels in the array is investigated and a trench isolation process is proposed to eliminate crosstalk between adjacent pixels in the array.

Original languageEnglish
Pages (from-to)122-128
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3105
DOIs
Publication statusPublished - 1997
EventChemical, Biochemical and Environmental Fiber Senors IX - Munich, Germany
Duration: 16 Jun 199718 Jun 1997

Keywords

  • Avalanche photodetectors
  • Fluorescence imaging
  • Single photon counting

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