Radiation and absorption properties of gold nanodipoles in transmitting mode

ABSTRACT This article presents an analysis of radiation and absorption properties of cylindrical gold nanodipoles in the transmitting mode. The conventional antenna theory and the linear method of moments are used for theoretical analysis of these antennas in the near‐infrared and lower optical freq...

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Bibliographic Details
Published inMicrowave and optical technology letters Vol. 57; no. 1; pp. 1 - 6
Main Authors da Costa, Karlo Q., Dmitriev, Victor
Format Journal Article
LanguageEnglish
Published New York Blackwell Publishing Ltd 01.01.2015
Wiley Subscription Services, Inc
Subjects
Antennas
Computational efficiency
cylindrical dipoles
Gold
Input impedance
method of moments
Microwaves
Nanostructure
optical antennas
Plasmonics
radiation
Transmission
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Summary:ABSTRACT This article presents an analysis of radiation and absorption properties of cylindrical gold nanodipoles in the transmitting mode. The conventional antenna theory and the linear method of moments are used for theoretical analysis of these antennas in the near‐infrared and lower optical frequencies (100−500 THz). Frequency dependence of radiation and absorption parameters such as input impedance, efficiency, radiation, and loss resistance is calculated for different dipole's lengths and radii. The presented results can be useful to design efficient nanodipoles and to perform the input impedance matching of these antennas with plasmonic optical transmission lines. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1–6, 2015
Bibliography:ArticleID:MOP28489
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content type line 23
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.28489