期刊
LASER & PHOTONICS REVIEWS
卷 8, 期 1, 页码 137-145出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201300144
关键词
plasmonic; localized plasmon resonance; metamaterial; plasmonic sensor
资金
- National High Tech (863) Projects [2012AA030402, 2011AA010202]
- National Science Foundation of China [61372048, 60990320, 60990324, 61138001, 60921063]
- 111 Project [111-2-05]
The multipolar spoof localized surface plasmons (LSPs) on a planar textured metallic disk are proposed and experimentally demonstrated at microwave frequencies. Based on ultrathin metal film printed on a thin dielectric substrate, the designed plasmonic metamaterial clearly shows multipolar plasmonic resonances, including the dipole, quadrupole, hexapole, octopole, decapole, dodecapole, and quattuordecpole modes. Both numerical simulations and experiments are in good agreement. It is shown that the spoof LSP resonances are sensitive to the disk's geometry and local dielectric environments. Hence, the ultrathin textured metallic disk may be used as plasmonic sensors and find potential applications in the microwave and terahertz frequencies.
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