Sum-Frequency Generation of High-Energy and High-Beam-Quality Ultraviolet Pulses

Figure 4

Near- ((a)–(d)) and far-field fluence profiles ((e)–(h)) for a single pulse of the laser fundamental, 3𝜔, OPO signal, and generated UV beams.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)