Focal-plane-arrays and CMOS readout techniques of infrared imaging systems

Chih Cheng Hsieh*, Chung-Yu Wu, Far Wen Jih, Tai Ping Sun

*Corresponding author for this work

Research output: Contribution to journalArticle

173 Scopus citations

Abstract

A discussion of CMOS readout technologies for infrared (IR) imaging systems is presented. First, the description of various types of IR detector materials and structures is given. The advances of detector fabrication technology and microelectronics process technology have led to the development of large format array of IR imaging detectors. For such large IR FPA's which is the critical component of the advanced infrared imaging system, general requirement and specifications are described. To support a good interface between FPA and downstream signal processing stage, both conventional and recently developed CMOS readout techniques are presented and discussed. Finally, future development directions including the smart focal plane concept are also introduced.

Original languageEnglish
Pages (from-to)594-605
Number of pages12
JournalIEEE Transactions on Circuits and Systems for Video Technology
Volume7
Issue number4
DOIs
StatePublished - 1 Dec 1997

Keywords

  • Detector
  • Focal plane array
  • Infrared imaging
  • Readout circuit
  • Thermal image

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