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Negative Role of Surface Plasmons in the Transmission of Metallic Gratings with Very Narrow Slits
Abstract
It is generally admitted that the extraordinary transmission of metallic grating with very narrow slits is mainly due to the excitation of surface plasmons on the upper and lower interfaces of the grating. We show that the surface plasmon contribution is not the prime effect and that waveguide mode resonance and diffraction are responsible for the extraordinary transmission. Additionally and surprisingly, we reveal that the transmittance of subwavelength metallic gratings is always nearly zero for frequencies corresponding to surface plasmon excitation. This finding implies that surface plasmons play a negative role in the transmission.
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Cited by
Extraordinary Acoustic Transmission through a 1D Grating with Very Narrow Apertures
Lu, M.-H., Liu, X.-K., Feng, L., Li, J., Huang, C.-P., Chen, Y.-F., Zhu, Y.-Y., Zhu, S.-N., & Ming, N.-B. (2007) · Physical Review Letters · doi:10.1103/physrevlett.99.174301 · Cited by 289
Observation of Optical Spin Symmetry Breaking in Nanoapertures
Gorodetski, Y., Shitrit, N., Bretner, I., Kleiner, V., & Hasman, E. (2009) · Nano Letters · doi:10.1021/nl901437d · Cited by 167
Metadata
- Authors
- Cao, Q., & Lalanne, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2002-01-18
- Volume
- 88
- Issue
- 5
- Pages
- 057403-057403
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2053994007
- Cited by
- 574
- References
- 0
- FWCI
- 20.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cao, Q., & Lalanne, P. (2002). Negative Role of Surface Plasmons in the Transmission of Metallic Gratings with Very Narrow Slits. Physical Review Letters. https://doi.org/10.1103/physrevlett.88.057403
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