Gergo P. Szakmany,1 Edward C. Kinzelhttps://orcid.org/0000-0002-4492-8682,1 Gary H. Bernstein,1 David Burghoff,1 Chao Dong,1 Alexei O. Orlov,1 Wolfgang Porod,1 David Strobel,2 Stephen M. White3
1Univ. of Notre Dame (United States) 2Space Micro, Inc. (United States) 3Air Force Research Lab. (United States)
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Thermoelectrically coupled nanoantennas (TECNAs) are fast thermal sensors for the mid- to far-IR regime. TECNAs resonantly absorb EM radiation using a nanoantenna and nanothermocouple, and can be made directionally sensitive using a reflecting cavity. We present TECNAs located above a cavity etched into a substrate to determine angle of incidence of laser beams. The position of the antennas relative to the cavity center provides beam steering capability. We show in simulations that radiation and receiving characteristics of TECNAs are strongly dependent on position above the cavity. Positioning multiple antennas above a cavity provides angle-of-incidence resolution capability in the thermal infrared.
Gergo P. Szakmany,Edward C. Kinzel,Gary H. Bernstein,David Burghoff,Chao Dong,Alexei O. Orlov,Wolfgang Porod,David Strobel, andStephen M. White
"Beam-steering with mid- and long-wave-infrared nanoantennas", Proc. SPIE 12107, Infrared Technology and Applications XLVIII, 121071L (30 May 2022); https://doi.org/10.1117/12.2618643
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Gergo P. Szakmany, Edward C. Kinzel, Gary H. Bernstein, David Burghoff, Chao Dong, Alexei O. Orlov, Wolfgang Porod, David Strobel, Stephen M. White, "Beam-steering with mid- and long-wave-infrared nanoantennas," Proc. SPIE 12107, Infrared Technology and Applications XLVIII, 121071L (30 May 2022); https://doi.org/10.1117/12.2618643