Focused terahertz radiation formed by coherently scattered surface plasmon polaritons from partially uncorrugated metal surfaces

Yasuaki Monnai, H. Shinoda, H. Hillmer

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We present that a focus of terahertz radiation can be tailored based on coherent scattering of surface plasmon polaritons (SPPs) from a partially defected metal corrugation based on numerical simulations. The introduction of teeth defects in the corrugation allows coupling of the guided SPPs with the radiation and the far-field behavior is tailored by the spatial arrangement of such defects. The proposed structures serve as a kind of planar lenses which are quite thin and inexpensive. Promising applications include interfacing lens antennas between terahertz plasmonic integrated circuits and the external free space, which make terahertz systems very compact and low-cost.

Original languageEnglish
Pages (from-to)913-917
Number of pages5
JournalApplied Physics B: Lasers and Optics
Volume104
Issue number4
DOIs
Publication statusPublished - 2011 Sep
Externally publishedYes

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polaritons
metal surfaces
lens antennas
Lens antennas
Coherent scattering
Radiation
Defects
coherent scattering
defects
radiation
teeth
Metals
integrated circuits
Integrated circuits
far fields
Lenses
lenses
Computer simulation
metals
Costs

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Focused terahertz radiation formed by coherently scattered surface plasmon polaritons from partially uncorrugated metal surfaces. / Monnai, Yasuaki; Shinoda, H.; Hillmer, H.

In: Applied Physics B: Lasers and Optics, Vol. 104, No. 4, 09.2011, p. 913-917.

Research output: Contribution to journalArticle

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