Broadband gold nanoantennas arrays with transverse dimension effects

Chen Wei Su, Kuo-Ping Chen

Research output: Contribution to journalArticle

6 Scopus citations


Broadband resonance in gold paired-rods nanoantennas and paired-strips gratings is investigated when the nanostructure's transverse (non-polarization) dimension is changed from paired-rods to paired-strips. Increasing the transverse dimension blue shifts the resonance wavelength and widens its bandwidth due to cancellation of the magnetic field between nanoantennas. A derived resistor-inductor-capacitor (RLC) equivalent circuit model verifies the nanostructures' resonance when elongating the transverse dimensions. Paired-strips gratings have a bandwidth 2.04 times that of paired-rods nanoantennas.

Original languageEnglish
Pages (from-to)17760-17765
Number of pages6
JournalOptics Express
Issue number16
StatePublished - 8 Aug 2016

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