Journal
OPTICS LETTERS
Volume 36, Issue 6, Pages 903-905Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.000903
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- Consorzio Interuniversitario dell'Italia Nordest per il Calcolo Automatico (CINECA)
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We report on the formation of plasmonic bandgaps in two-dimensional periodic arrangements of gold patches. Orthogonal arrays of subwavelength slits with different periodicities have been studied by means of a three-dimensional finite-difference time-domain (FDTD) code, changing incident polarization and geometrical parameters. Spectral response of gold patches having different a form factor and surrounded by different media have been also investigated and compared in order to give a full description of bandgap shifts paving the way for the design of polarization-sensitive devices. (C) 2011 Optical Society of America
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