figure
posted on 2025-07-14, 04:01 authored by Lingrui Chu, Rang Li, Han Zhu, Weijie Liu, Hiroshi Amekura, Norito Ishikawa, Nariaki Okubo, Xiaoli Sun, Feng ChenFig. S1. Measured absorption spectra of the elongated Ag NPs (ion irradiation fluence: 5×1013
ions/cm2) under the polarized light illumination.
Fig. S2. Calculated extinction spectra of Ag NP arrays with different interparticle distances (D). The D is defined as the gap between the neighboring NPs.
Fig. S3. SHG spectra of spherical Ag NPs under x-and y-polarized laser excitation.
