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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 1 — Jan. 1, 2014
  • pp: 146–149

Achromatic THz wave plate composed of stacked parallel metal plates

Masaya Nagai, Noriyuki Mukai, Yosuke Minowa, Masaaki Ashida, Jun Takayanagi, and Hideyuki Ohtake  »View Author Affiliations


Optics Letters, Vol. 39, Issue 1, pp. 146-149 (2014)
http://dx.doi.org/10.1364/OL.39.000146


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Abstract

We propose a simple achromatic terahertz wave plate composed of stacked parallel metal plates with a hole array. It consists of an ensemble of designed parallel plate waveguides; the high and low propagation speeds of waves in TE and TM waveguide modes with the same group velocity cause a constant phase difference over a wide frequency region. Using that wave plate, we obtained intense single- and multi-cycle THz pulses with circular polarization.

© 2013 Optical Society of America

OCIS Codes
(230.5440) Optical devices : Polarization-selective devices
(260.3090) Physical optics : Infrared, far
(260.5430) Physical optics : Polarization
(080.1238) Geometric optics : Array waveguide devices

ToC Category:
Physical Optics

History
Original Manuscript: October 3, 2013
Revised Manuscript: November 26, 2013
Manuscript Accepted: November 27, 2013
Published: December 24, 2013

Citation
Masaya Nagai, Noriyuki Mukai, Yosuke Minowa, Masaaki Ashida, Jun Takayanagi, and Hideyuki Ohtake, "Achromatic THz wave plate composed of stacked parallel metal plates," Opt. Lett. 39, 146-149 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-1-146

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