A wavelength-selective multilayer absorber for heat signature control

Date

2022-09-28

Authors

Osgouei, Ataollah Kalantari
Khalichi, Bahram
Omam, Zahra Rahimian
Ghobadi, Amir
Özbay, Ekmel

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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.

Source Title

International Conference on Electromagnetics in Advanced Applications (ICEAA)

Publisher

Institute of Electrical and Electronics Engineers

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Published Version (Please cite this version)

Language

English

Type

Conference Paper