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Sub-Diffraction-Limited Optical Imaging with a Silver Superlens
Abstract
Recent theory has predicted a superlens that is capable of producing sub–diffraction-limited images. This superlens would allow the recovery of evanescent waves in an image via the excitation of surface plasmons. Using silver as a natural optical superlens, we demonstrated sub–diffraction-limited imaging with 60-nanometer half-pitch resolution, or one-sixth of the illumination wavelength. By proper design of the working wavelength and the thickness of silver that allows access to a broad spectrum of subwavelength features, we also showed that arbitrary nanostructures can be imaged with good fidelity. The optical superlens promises exciting avenues to nanoscale optical imaging and ultrasmall optoelectronic devices.
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Cited by
Flat optics with designer metasurfaces
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Three-Dimensional Optical Holography Using a Plasmonic Metasurface
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Self-citation
Metadata
- Authors
- Fang, N., Lee, H., Sun, C., & Zhang, X.
- Venue
- Science
- Published
- 2005-04-22
- Volume
- 308
- Issue
- 5721
- Pages
- 534-537
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1990299300
- Cited by
- 3,968
- References
- 2
- FWCI
- 111.07
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
