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      A wavelength-selective multilayer absorber for heat signature control

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      Author(s)
      Osgouei, Ataollah Kalantari
      Khalichi, Bahram
      Omam, Zahra Rahimian
      Ghobadi, Amir
      Özbay, Ekmel
      Date
      2022-09-28
      Source Title
      International Conference on Electromagnetics in Advanced Applications (ICEAA)
      Publisher
      Institute of Electrical and Electronics Engineers
      Pages
      190 - 191
      Language
      English
      Type
      Conference Paper
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      Abstract
      Engineering the thermal radiation using wavelength-selective thermal emitters is of great importance in the field of thermophotovoltaics, radiative cooling, and heat signature control. In this paper, a wavelength-selective Vanadium/Germanium (V/Ge) multilayer absorber is demonstrated. The proposed design realizes a perfect absorption at the resonance wavelength of 5870 nm, placed within the nonatmospheric window (5-8 μ m) while maintaining low absorptivity within the atmospheric windows. It is verified that the proposed emitter represents angle insensitive feature for oblique incidence up to 60° for both transverse magnetic (TM) and transverse electric (TE) polarizations.
      Keywords
      Thermal radiation
      Heat signature control
      Multilayer absorber
      Polarization insensitive
      Permalink
      http://hdl.handle.net/11693/111874
      Published Version (Please cite this version)
      https://doi.org/10.1109/ICEAA49419.2022.9900018
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2258
      • Nanotechnology Research Center (NANOTAM) 1179
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