Fig. 8: Beam profile of 1070 nm IPG LIDT test laser.

Beam profile is collected using a Primes focus monitor. The focus monitor has a metal tip with a 20 μm-diameter pinhole in the side. The rotating tip then traverses the entire area of the beam, collecting 2-D data of the beam profile. Blue line represents the raw data from the x-axis of the beam. The blue (red) line is the data (Gaussian fit).