Spatial filtering of evanescent waves with rough multilayer hyperbolic metamaterials

Document Type

Conference Proceeding

Publication Date

1-1-2018

Abstract

© COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only. Hyperbolic metamaterials acting as spatial filters, passing incident evanescent waves and blocking incident propagating waves, can be produced for ultraviolet wavelengths by a stack of alternating metal/dielectric films. However, real fabricated devices have disordered layer surfaces due to imperfect material deposition. Here, we investigate the effect of realistic surface roughness on the spatial filtering properties of such devices. The findings have implications in subdiffraction imaging and photolithography.

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

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