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. 2018 Nov 26;8:17376. doi: 10.1038/s41598-018-35604-z

Figure 2.

Figure 2

Beam profile characterization. (a) Transmitted laser power and (b) its first derivatives dependences on the knife-edge position in transverse x and y directions at the entrance of the galvanometer scanner. Circular and rectangular solid dots represent: (a) experimental data points; (b) its first derivative. Solid lines represent: (a) fits by Equation (1); (b) its first derivate.