We perform near-field THz imaging on a series of deeply subwavelength gold structures. We observe a contrast unrelated to changes in the material's local properties, which we attribute to electromagnetic standing waves.
CITATION STYLE
Pizzuto, A., Chen, X., Liu, M., Hu, H., Dai, Q., & Mittleman, D. M. (2021). Anomalous Contrast in Broadband THz Near-Field Imaging of Gold Microstructures. In 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings. Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1364/oe.423528
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