G. P. Szakmany,1 H. Aquino,1 G. H. Bernstein,1 D. Burghoff,1 C. Dong,1 E. C. Kinzelhttps://orcid.org/0000-0002-4492-8682,1 A. O. Orlov,1 W. Porod,1 D. Strobel,2 S. M. White3
1Univ. of Notre Dame (United States) 2Space Micro, Inc. (United States) 3Space Vehicles Directorate, Air Force Research Lab. (United States)
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Thermoelectrically coupled nanoantennas (TECNAs) are a new class of infrared detectors based on the resonant absorption of freely propagating electromagnetic waves. When IR light illuminates the devices, radiation-induced antenna current heats the nanothermocouples. The temperature difference with respect to the cold junction at the substrate is converted to electrical signals by the Seebeck effect. The physical size of the nanoantenna determines the spectral response of the device. In this work, we show experimentally obtained spectral responses of TECNAs using Fourier-transform infrared spectroscopy (FTIR) and compare the results to simulations.
G. P. Szakmany,H. Aquino,G. H. Bernstein,D. Burghoff,C. Dong,E. C. Kinzel,A. O. Orlov,W. Porod,D. Strobel, andS. M. White
"Multi-spectral and polarization-sensitive infrared sensing using nanoantennas", Proc. SPIE 12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI, 124200K (13 March 2023); https://doi.org/10.1117/12.2648441
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G. P. Szakmany, H. Aquino, G. H. Bernstein, D. Burghoff, C. Dong, E. C. Kinzel, A. O. Orlov, W. Porod, D. Strobel, S. M. White, "Multi-spectral and polarization-sensitive infrared sensing using nanoantennas," Proc. SPIE 12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI, 124200K (13 March 2023); https://doi.org/10.1117/12.2648441