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Optics Letters

Optics Letters


  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1071–1073

Second-order bandpass terahertz filter achieved by multilayer complementary metamaterial structures

Mingzhi Lu, Wenzao Li, and Elliott R. Brown  »View Author Affiliations

Optics Letters, Vol. 36, Issue 7, pp. 1071-1073 (2011)

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We propose a multilayer complementary metamaterial structure fabricated on a crystal quartz substrate measuring between 100 and 700 GHz . The concept of a second-order terahertz bandpass filter is realized by this structure, and it offers a superior quality factor, steepness of skirts, and out-of-band rejection. Physical limitations on the quality factor and insertion loss have also been studied, including the skin depth of the metal and the optical phonon resonance in quartz. Based on these factors, a series of higher frequency filters has been designed, and simulation results are presented.

© 2011 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Optical Devices

Original Manuscript: September 15, 2010
Revised Manuscript: February 11, 2011
Manuscript Accepted: February 15, 2011
Published: March 18, 2011

Mingzhi Lu, Wenzao Li, and Elliott R. Brown, "Second-order bandpass terahertz filter achieved by multilayer complementary metamaterial structures," Opt. Lett. 36, 1071-1073 (2011)

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