Potential and limitations for very-high-operating-temperature (VHOT) MWIR focal plane arrays using halogen-passivated PbSe

David Shelton, Justin Sigley, Robert Nicholas, Ron Driggers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Lead-salt photoconductive detectors, such as PbSe, are significant because they can operate at room temperature, be grown on silicon, be grown with low infrastructure costs, and still achieve sensitivity that is sufficient for many military and commercial applications in the MWIR. In this article we demonstrate the progress to date that we have made in our efforts to commercialize this technology for MWIR focal-plane arrays (FPAs). The potential for PbSe is to achieve a broad-band D∗ of 1×1010 cm√Hz/W a t 3 00 K a nd 1 ×1011 cm√Hz/W at 240 K surpassing the high temperature performance of both HgCdTe and SLS detectors. We discuss the challenges remaining to achieving those numbers.

Original languageEnglish (US)
Title of host publicationInfrared Technology and Applications XLIV
EditorsBjorn F. Andresen, Paul R. Norton, Gabor F. Fulop, Charles M. Hanson, John Lester Miller
PublisherSPIE
ISBN (Electronic)9781510617599
DOIs
StatePublished - 2018
Externally publishedYes
EventInfrared Technology and Applications XLIV 2018 - Orlando, United States
Duration: Apr 16 2018Apr 19 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10624
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceInfrared Technology and Applications XLIV 2018
Country/TerritoryUnited States
CityOrlando
Period4/16/184/19/18

Keywords

  • 1/f noise
  • Lead-salt
  • MWIR
  • Very-high-operating-temperature (VHOT) photodectors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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