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Enlarging the bandwidth of nanoscale propagating plasmonic modes in deep-subwavelength cylindrical holes
nanoscale propagating plasmonic modes deep-subwavelength cylindrical holes
2015/8/10
Subwavelength cylindrical holesin optically thick metallic films alwayssupport a propagating HE11 mode near the surface plasmon frequency, regardless of how small the holes are. For holes ᤙ...
Effect of the plasmonic dispersion relation on the transmission properties of subwavelength cylindrical holes
plasmonic dispersion relation transmission properties subwavelength cylindrical holes
2015/8/11
We analyze subwavelength cylindrical holes in an optically thick metallic film with the metal described by a plasmonic model. We find that the dispersion diagram exhibits three distinct fe...
Propagating modes in subwavelength cylindrical holes
Propagating modes subwavelength cylindrical holes
2015/8/11
We analyze subwavelength cylindrical holes in an optically thick metallic film with the metal described by a plasmonic model. We emphasize that such holes always support propagating modes near t...