A thin film broadband absorber based on multi-sized nanoantennas

Yanxia Cui, Jun Xu, Kin Hung Fung, Yi Jin, Anil Kumar, Sailing He, Nicholas X. Fang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

226 Citations (Scopus)

Abstract

We experimentally demonstrate an infrared broadband absorber based on an array of nanostrip antennas of several different sizes. The broadband property is due to the collective effect of magnetic responses excited by these nanoantennas at distinct wavelengths. By manipulating the differences of the nanostrip widths, the measured spectra clearly validate our design for the purpose of broadening the absorption band.
Original languageEnglish
Article number253101
JournalApplied Physics Letters
Volume99
Issue number25
DOIs
Publication statusPublished - 19 Dec 2011
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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