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. 2020 Sep 20;10(9):1881. doi: 10.3390/nano10091881

Figure 1.

Figure 1

(a) Configurations of photothermally and optomechanically deformed gold nanoparticle (NP) of r = 40 nm at six stages, as irradiated by a linearly polarized (LP) Gaussian beam of 446 nm with a waist of 300 nm in air. The scattering cross section (SCS) spectra of different configurations with the same volume at these stages are plotted. (b) Total heating power versus aspect ratio for different configurations with the same volume. Line with triangle: a single NP or nanorod (NR), and line with square: an NR/NP dimer with different aspect ratio.