Abstract
As an initial step in developing steerable mirrors for terahertz (THz) wireless communication systems, this paper describes the development of a passive planar terahertz retroreflectors based on the Van Atta array. The retroreflector is optimized and simulated using finite-element modeling (FEM) software, fabricated via a low-cost additive manufacturing method, and characterized using THz time-domain spectroscopy. Comparison to a flat metal plate shows a significant increase in retroreflectivity for off-normal angles of incidence.
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Acknowledgments
This work is supported by the Department of Defense Ordnance Technology Consortium (DOTC) and the US Army Combat Capabilities Development Command (CCDC) Armaments Center at Picatinny Arsenal.
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Desai, D., Gatley, I., Bolton, C. et al. Terahertz Van Atta Retroreflecting Arrays. J Infrared Milli Terahz Waves 41, 997–1008 (2020). https://doi.org/10.1007/s10762-020-00721-2
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DOI: https://doi.org/10.1007/s10762-020-00721-2