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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 2 — Jan. 15, 2014
  • pp: 311–314

Artificial birefringent metallic planar structures for terahertz wave polarization manipulation

Lei Wang, Suhua Jiang, Haifeng Hu, Haomin Song, Wei Zeng, and Qiaoqiang Gan  »View Author Affiliations


Optics Letters, Vol. 39, Issue 2, pp. 311-314 (2014)
http://dx.doi.org/10.1364/OL.39.000311


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Abstract

We propose an artificial birefringent terahertz (THz) device constructed by subwavelength L-shaped hole arrays on a single metallic layer. This structure is able to work as a polarizer when the incident frequency is between the cut-off frequencies of two eigenmodes. When the incident wave is beyond cut-off frequencies of these two modes, it can be designed as an efficient half- or quarter-wave plate with extraordinary transmission properties. A big effective index difference from 0.254 to 0.768 is obtained using a subwavelength-thick planar structure, which can reduce the thickness of the device to one tenth of conventional quartz birefringent crystals for THz waves.

© 2014 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(310.2790) Thin films : Guided waves
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Spectroscopy

History
Original Manuscript: September 24, 2013
Revised Manuscript: December 4, 2013
Manuscript Accepted: December 4, 2013
Published: January 8, 2014

Citation
Lei Wang, Suhua Jiang, Haifeng Hu, Haomin Song, Wei Zeng, and Qiaoqiang Gan, "Artificial birefringent metallic planar structures for terahertz wave polarization manipulation," Opt. Lett. 39, 311-314 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-2-311

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» Media 1: MOV (4148 KB)     

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