Strain-tunable two-dimensional plasmonic crystals

Resonance tuning characteristics of a plasmonic photonic crystal nanostructure under uniaxial compressive and tensile strains were investigated. The plasmonic device consists of a periodic array of metal-coated polymer nanoposts fabricated using a replica molding process.Applied strains regulate the period of the array, leading to flexible and repeatable resonance tuning of localized plasmons.