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Next-generation long-wavelength infrared detector arrays: competing technologies and modeling challenges

Next-generation long-wavelength infrared detector arrays: competing technologies and modeling challenges

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Integrated Optics Volume 2: Characterization, devices and applications — Recommend this title to your library

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In this paper, Sb-based superlattice fabrication processing is based on standard III-V technology, implying lower costs of mass production and constituting a relatively new alternative for an IR material system in LWIR and VLWIR bands.

Chapter Contents:

  • 9.1 Introduction
  • 9.2 Lower cost, large FPAs with subwavelength pixel pitch
  • 9.2.1 Comprehensive electromagnetic and electrical simulations
  • 9.2.2 Small pixels and inter-pixel crosstalk in planar FPAs
  • 9.2.3 Modeling photoresponse for non-monochromatic illumination
  • 9.3 HOT HgCdTe detectors: Technologies and modeling approaches
  • 9.3.1 Defects- and tunneling-related dark current
  • 9.3.2 Auger-suppressed and fully carrier-depleted detectors
  • 9.3.3 Compositionally graded HgCdTe detectors
  • 9.4 Conclusions
  • References

Inspec keywords: superlattices; infrared detectors; antimony compounds; III-V semiconductors; optical multilayers; sensor arrays

Other keywords: standard III-V technology; VLWIR bands; mass production; IR material system; next-generation long-wavelength infrared detector arrays; Sb-based superlattice fabrication processing; LWIR bands

Subjects: Detection of radiation (bolometers, photoelectric cells, i.r. and submillimetre waves detection); Sensing and detecting devices; Optical coatings; Optical coatings and filters; Optical materials; Photodetectors

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