Differences in Nanosecond Laser Ablation and Deposition of Tungsten, Boron, and WB₂/B Composite due to Optical Properties

Figure 12

ICCD images of tungsten plasma for (a) tungsten 355 nm, (b) tungsten 1064 nm, (c) boron 355 nm, and (d) WB₂/B 355 nm. Visible light, exposure time 20 ns, and delay time 100, 200, 300, 400 ns, respectively (WB₂/B after 400 ns). Solid line denotes the intensity distribution of plasma radiation on the axis of plasma .

(a)

(b)

(c)

(d)