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Using interference lithography and ion milling, we show the fabrication of large area plasmonic nanodisks with varying geometric parameters. Tunable plasmon resonances are realized with various array periodicities. The enhanced infrared detection is also experimentally demonstrated with the Kretschmann configuration using ethanol as an example. Our approach may find potential applications in plasmon-assisted...
We show the fabrication of well-aligned gold and silver nanopillars with various array parameters via interference lithography followed by ion beam milling and compare the etching rates of these two metallic materials. Silver is suitable for fabricating ultrafine arrays with ultrasmall separations due to high milling rates. The optical properties of the fabricated nanopillars are specifically characterized...
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