Silver helical pentagon shaped nanosculptured thin films (HPNSTFs) were produced using oblique angle deposition method in conjunction with the rotation of sample holder under controlled conditions. Thes-polarization extinction spectra obtained at different azimuthal angles (φ) and low incidence angle (i.e.,10∘) from the Ag (HPNSTF) did not show significant change in the plasmon peak position, while at higher incidence angle (i.e.,70∘) a blue shift appeared for the broad peak which was observed for lower incidence angle (i.e.,10∘) and occurred at lower wavelength. In case ofp-polarized light a very broad peak was obtained for the70∘incidence angle and for differentφangles and when compared with the lower incidence angle results it can be concluded that it is gone under a red shift. Polar diagrams of the samples showed slight anisotropy that should be due to high symmetry of the pentagon helical structure.
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