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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 2 — Jan. 15, 2013
  • pp: 205–207

High load sensitivity in wideband infrared dual-Vivaldi nanoantennas

Yuval Yifat, Zeev Iluz, Doron Bar-Lev, Michal Eitan, Yael Hanein, Amir Boag, and Jacob Scheuer  »View Author Affiliations

Optics Letters, Vol. 38, Issue 2, pp. 205-207 (2013)

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Dual-Vivaldi nanoantenna (DVA) arrays were designed, fabricated, and optically characterized in the infrared (IR) and visible regimes. The antenna arrays were characterized by measuring the scattered light at IR (1450–1640 nm) and visible (780 nm) spectral ranges. The radiation efficiency and the spectral response of the antennas were found to be in good agreement with numerical simulations. The results presented here demonstrate the extremely wideband nature of the DVAs and the strong impact of load at the antenna terminals on its scattering response. These properties, as well as their many degrees of freedom for design, render the DVAs excellent candidates for optical sensing applications.

© 2013 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(350.4600) Other areas of optics : Optical engineering
(350.5610) Other areas of optics : Radiation

ToC Category:
Physical Optics

Original Manuscript: November 14, 2012
Revised Manuscript: December 11, 2012
Manuscript Accepted: December 11, 2012
Published: January 11, 2013

Yuval Yifat, Zeev Iluz, Doron Bar-Lev, Michal Eitan, Yael Hanein, Amir Boag, and Jacob Scheuer, "High load sensitivity in wideband infrared dual-Vivaldi nanoantennas," Opt. Lett. 38, 205-207 (2013)

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