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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 14 — Jul. 14, 2014
  • pp: 16916–16924

Comprehensive imaging of terahertz surface plasmon polaritons

Sen Wang, Feng Zhao, Xinke Wang, Shiliang Qu, and Yan Zhang  »View Author Affiliations

Optics Express, Vol. 22, Issue 14, pp. 16916-16924 (2014)

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A comprehensive system with a high speed is built for imaging the terahertz (THz) surface plasmon polaritons (SPPs). Both the amplitude and the phase information of the focusing THz-SPPs excited by a semicircular plasmonic lens are achieved by using this system. The amplitude images present the focusing profiles of the THz-SPPs with different frequencies and the phase images reveal the Gouy phase shift as the THz-SPPs evolving through the focus. The simulations are also performed and a good agreement between the experimental and simulated results has been found.

© 2014 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(240.6680) Optics at surfaces : Surface plasmons
(170.6795) Medical optics and biotechnology : Terahertz imaging

ToC Category:
Terahertz Optics

Original Manuscript: May 19, 2014
Revised Manuscript: June 21, 2014
Manuscript Accepted: June 23, 2014
Published: July 2, 2014

Sen Wang, Feng Zhao, Xinke Wang, Shiliang Qu, and Yan Zhang, "Comprehensive imaging of terahertz surface plasmon polaritons," Opt. Express 22, 16916-16924 (2014)

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