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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 25 — Dec. 3, 2012
  • pp: 27800–27809

Inhibiting the TE1-mode diffraction losses in terahertz parallel-plate waveguides using concave plates

Marx Mbonye, Rajind Mendis, and Daniel M. Mittleman  »View Author Affiliations


Optics Express, Vol. 20, Issue 25, pp. 27800-27809 (2012)
http://dx.doi.org/10.1364/OE.20.027800


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Abstract

We present numerical and experimental results on inhibiting diffraction losses associated with the lowest order transverse electric (TE1) mode of a terahertz (THz) parallel-plate waveguide (PPWG) via the use of slightly concave plates. We find that there is an optimal radius of curvature that inhibits the diffraction for a given waveguide operating at a given frequency. We also find that introducing this curvature does not introduce any additional group-velocity dispersion. These results support the possibility of realizing long range transport of THz radiation using the TE1 mode of the PPWG.

© 2012 OSA

OCIS Codes
(230.7370) Optical devices : Waveguides
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
Ultrafast Optics

History
Original Manuscript: September 18, 2012
Revised Manuscript: November 15, 2012
Manuscript Accepted: November 16, 2012
Published: November 29, 2012

Citation
Marx Mbonye, Rajind Mendis, and Daniel M. Mittleman, "Inhibiting the TE1-mode diffraction losses in terahertz parallel-plate waveguides using concave plates," Opt. Express 20, 27800-27809 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-25-27800


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