Abstract
A planar slab of material, for which both the permittivity and permeability have the values of −1, can bring not only the propagating fields associated with a source to a focus, but can also refocus the nonpropagating near fields, thereby achieving resolution beyond the diffraction limit. We study the sensitivity of this subwavelength focus to the slab material properties and periodicity, and note the connection to slab surface plasmon modes. We conclude that significant subwavelength resolution is achievable with a single negative index slab, but only over a restrictive range of parameters.
References
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (March 6, 2003, 6:03 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 3, 2024, 7:04 p.m.) |
Indexed | 1 month ago (July 27, 2025, 3:49 a.m.) |
Issued | 22 years, 5 months ago (March 10, 2003) |
Published | 22 years, 5 months ago (March 10, 2003) |
Published Print | 22 years, 5 months ago (March 10, 2003) |
@article{Smith_2003, title={Limitations on subdiffraction imaging with a negative refractive index slab}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1554779}, DOI={10.1063/1.1554779}, number={10}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Smith, David R. and Schurig, David and Rosenbluth, Marshall and Schultz, Sheldon and Ramakrishna, S. Anantha and Pendry, John B.}, year={2003}, month=mar, pages={1506–1508} }