Journal of Nanomaterials / 2014 / Article / Fig 1

Research Article

Tuning Optical Nonlinearity of Laser-Ablation-Synthesized Silicon Nanoparticles via Doping Concentration

Figure 1

(a) Diagram of the laser ablation for silicon nanoparticles’ synthesis. (b) SEM images of the silicon nanoparticles; inset: zoom-in image. (c) Particle size distribution of the silicon nanoparticles. (d) Laser plasma plume formation induced by laser ablation at different stages of (1) initial, (2) expansion, and (3) saturation.
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