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. 2021 Jan 11:1–14. Online ahead of print. doi: 10.1007/s12559-020-09778-6

Fig. 5.

Fig. 5

The plot of the intensity outputs, where (a) frequency domain, (b) wavelength domain, (c) time domain, which are the plasma spray distributions of the up and downlink sensor nodes. By using the metamaterial results, the signal bandwidths are covered from light wave to radio wave frequencies. The system can support a fiber optic-radio transmission, where the exchange between radio wave and fiber optic signals can be performed by up and downlink nodes along the transmission lines