Subwavelength imaging at infrared frequencies using an array of metallic nanorods
By Mario G. Silveirinha, Pavel Belov, Constantin R. Simovski. 2006
143 citations recorded by the source corpus.
We demonstrate that an array of metallic nanorods enables sub-wavelength (near-field) imaging at infrared frequencies. Using an homogenization approach, it is theoretically proved that under certain conditions the incoming radiation can be transmitted by the array of nanorods over a significant distance with fairly low attenuation. The propagation mechanism does not involve a resonance of material parameters and thus the resolution is not strongly affected by material losses and has wide bandwidth. The sub-wavelength imaging with $\lambda/10$ resolution by silver rods at 30 THz is demonstrated numerically using full-wave electromagnetic simulator.
Subfields: Biomedical Engineering, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/35b52d12de85a6474a98305e158b65ab408b5c53
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In Biomedical Engineering
In Electrical and Electronic Engineering
In Electronic, Optical and Magnetic Materials
Citations in the corpus
- Electromagnetic Characterization of Textured Surfaces Formed by Metallic Pins (2008, background): “Some interesting and promising opportunities include the realization of imaging devices with super-resolution [5]–[7], or the transmission of waves through very narrow channels with great electric field enhancement [8].”