Design of a plasmonic near-field tip for super-resolution IR-imaging

TL;DR

This paper presents a novel plasmonic near-field tip design that leverages spoof surface plasmon polaritons and adiabatic compression to achieve super-resolution infrared imaging with approximately 10 nm lateral resolution.

Contribution

The paper introduces a new metallic near-field probe design enabling subwavelength IR imaging using spoof surface plasmons and adiabatic field compression.

Findings

Achieves about 10 nm lateral optical resolution.

Enables guiding and focusing of mid-infrared radiation.

Provides subwavelength field confinement.

Abstract

The concepts of spoof surface plasmon polaritons and adiabatic field compression are employed to design metallic near-field probes that allow guiding and focusing of mid-infrared wavelength electromagnetic radiation and provides subwavelength field confinements and a lateral optical resolution of about 10 nm.