Figure 4.

Particle size distribution curves for varying fluence ratios. (a) 1.6, (b) 2.0, (c) 2.4, (d) 2.8, and (e) 3.2 for constant repetition rate of 25.2 MHz. The sample of TEM images obtained at (a) 1.6, (c) 2.4, and (d) 2.8 fluence ratios.