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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 1 — Jan. 7, 2008
  • pp: 271–278

Enhancement of the detection of THz Sommerfeld wave using a conical wire waveguide

Young Bin Ji, Eui Su Lee, Jin Seok Jang, and Tae-In Jeon  »View Author Affiliations


Optics Express, Vol. 16, Issue 1, pp. 271-278 (2008)
http://dx.doi.org/10.1364/OE.16.000271


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Abstract

In this study, the coupling properties of a conical copper wire waveguide were investigated in the terahertz (THz) frequency range using theoretical simulations and experiments. Because a conical wire tip has a smaller tip diameter than a cylindrical wire tip, it has a greater THz field density than a cylindrical wire tip. The measured THz pulse increased 4.5 times upon contact with the 30µm-diameter conical wire tip compared with the THz pulse when a 500µm-diameter cylindrical wire tip was used. This result agrees well with that of theoretical simulations such as high-frequency structure simulation (HFSS), which is based on the finite element method.

© 2008 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves
(320.5550) Ultrafast optics : Pulses

ToC Category:
Optics at Surfaces

History
Original Manuscript: December 18, 2007
Revised Manuscript: December 26, 2007
Manuscript Accepted: December 26, 2007
Published: January 3, 2008

Citation
Young Bin Ji, Eui Su Lee, Jin Seok Jang, and Tae In Jeon, "Enhancement of the detection of THz Sommerfeld wave using a conical wire waveguide," Opt. Express 16, 271-278 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-1-271


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