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. 2018 Sep 14;18(9):3111. doi: 10.3390/s18093111

Table 2.

The results coming from Figure 5.

V-groove angle (°) 30 60 90
Sensitivity (mm−1) 0.0188 0.0606 0.0698
Correlation Coefficient R2 0.9884 0.9842 0.9944