14 May 2018 Spatial filtering of evanescent waves with rough multilayer hyperbolic metamaterials
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Abstract
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.
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Wyatt Adams, Wyatt Adams, Anindya Ghoshroy, Anindya Ghoshroy, Durdu Ö. Güney, Durdu Ö. Güney, } "Spatial filtering of evanescent waves with rough multilayer hyperbolic metamaterials", Proc. SPIE 10639, Micro- and Nanotechnology Sensors, Systems, and Applications X, 106390A (14 May 2018); doi: 10.1117/12.2304886; https://doi.org/10.1117/12.2304886
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