Multi-spectral and polarization-sensitive infrared sensing using nanoantennas

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

doi:10.1117/12.2648441

13 March 2023 Multi-spectral and polarization-sensitive infrared sensing using nanoantennas

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

Author Affiliations +

Proceedings Volume 12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI; 124200K (2023) https://doi.org/10.1117/12.2648441
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

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.

Conference Presentation

Citation Download Citation

G. P. Szakmany, H. Aquino, G. H. Bernstein, D. Burghoff, C. Dong, E. C. Kinzel, A. O. Orlov, W. Porod, D. Strobel, and 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

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