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. 2020 Jul 29;20(15):4218. doi: 10.3390/s20154218

Figure 2.

Figure 2

Simulated and measured optical spectra according to the water level at the back-to-back condition (a) the lowest water level, (b) 1/3 water level, (c) 2/3 water level, and (d) the full water level.