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. 2016 Feb 6;16(2):221. doi: 10.3390/s16020221

Figure 3.

Figure 3

Beam profile at a wavelength of λ = 118.8 μm measured with the four cameras. (a) Cam1; (b) Cam2; (c) Cam3; (d) Cam4; (e) horizontal cross-section through the measured laser spots and the beam profile (black line).