CNCS Center for Nonlinear and Complex Systems
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Publications [#280368] of David J. Brady

Papers Published

  1. Tang, Y; Vlahovic, B; Brady, DJ, Metallic nano-structures for polarization-independent multi-spectral filters., Nanoscale Research Letters, vol. 6 no. 1 (January, 2011), pp. 394 [21711927], [doi]
    (last updated on 2019/11/15)

    Abstract:
    Cross-shaped-hole arrays (CSHAs) are selected for diminishing the polarization-dependent transmission differences of incident plane waves. We investigate the light transmission spectrum of the CSHAs in a thin gold film over a wide range of features. It is observed that two well-separated and high transmission efficiency peaks could be obtained by designing the parameters in the CSHAs for both p-polarized and s-polarized waves; and a nice transmission band-pass is also observed by specific parameters of a CSHA too. It implicates the possibility to obtain a desired polarization-independent transmission spectrum from the CSHAs by designing their parameters. These findings provide potential applications of the metallic nano-structures in optical filters, optical band-pass, optical imaging, optical sensing, and biosensors.