Figure 1 : Concept and experimental realization of the digital laser.

From: A digital laser for on-demand laser modes

Figure 1

(a) Schematic of the digital laser concept showing the SLM, Brewster window (BW), high reflectivity (HR) mirror at an angle of 45°, Nd:YAG gain medium pumped by an external laser diode (LD) source and the output coupler (OC). (b) Photograph of the experimental set-up.