Analysis of Absorber Based Imaging Systems with Distributed Incoherent Sources

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Abstract

Passive imaging cameras at sub-millimeter wave-lengths are currently entering a new era with the development of large format arrays of direct detectors. Several of these arrays are being developed with bare absorbing meshes without any antenna coupling (lens or horn) structures. This paper uses a spectral electromagnetic model to analyze the performance of absorber based focal plane arrays in comparison to antenna based systems. The methodology is particularly suited to derive guidelines for optimizing the resolution and the sensitivity of thermal imaging cameras at sub-mm wavelengths. The proposed method is validated with full-wave simulations.
Original languageEnglish
Title of host publication42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Place of PublicationDanvers, MA
PublisherIEEE
Pages1-2
Number of pages2
ISBN (Electronic)978-1-5090-6050-4
ISBN (Print)978-1-5090-6048-1
DOIs
Publication statusPublished - 2017
Event42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Mexico
Duration: 27 Aug 20171 Sep 2017

Conference

Conference42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
CountryMexico
CityCancun, Quintana Roo
Period27/08/171/09/17

Keywords

  • Lenses
  • Apertures
  • Detectors
  • Optical imaging
  • Optical reflection
  • Optical sensors

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  • Cite this

    Dabironezare, S. O., Neto, A., & Llombart, N. (2017). Analysis of Absorber Based Imaging Systems with Distributed Incoherent Sources. In 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 (pp. 1-2). [8066899] IEEE. https://doi.org/10.1109/IRMMW-THz.2017.8067165