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Nano Convergence
Fig. 2 | Nano Convergence

Fig. 2

From: Shape-altering flexible plasmonics of in-situ deformable nanorings

Fig. 2

Dark-field reflection spectra for NR1, NR2 and NR3 arrays under both transverse (a) and longitudinal polarizations (b). The grating and respective highest intensity LSPR modes are marked with triangles and full circles, respectively, where the open circles for the NR1 and NR3 array represent additional LSPR modes that in NR1 are merging. The top-right figures schematically show the polarization conditions and strain applied to PDMS, where the black and red arrows are the stretching and polarization directions, respectively, and the purple circles represent the areas of the top-view dark-field illumination

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