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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 908–910

High-Q terahertz bandpass filters based on coherently interfering metasurface reflections

Norman Born, Marco Reuter, Martin Koch, and Maik Scheller  »View Author Affiliations


Optics Letters, Vol. 38, Issue 6, pp. 908-910 (2013)
http://dx.doi.org/10.1364/OL.38.000908


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Abstract

We present compact and easy-to-realize terahertz bandpass filters with Q values in the order of 500. The filters are based on coherently interfering reflections from two parallel metasurfaces applied to the boundaries of a semiconductor disk. By changing the thickness of the semiconductor disk and the dimensions of the metasurface structures, the filter can be optimized for various terahertz frequencies. Moreover, a precise tuning of the resonance frequency is possible via the temperature of the structure or its angle with respect to the propagation direction.

© 2013 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(300.6490) Spectroscopy : Spectroscopy, surface
(350.2460) Other areas of optics : Filters, interference

ToC Category:
Spectroscopy

History
Original Manuscript: January 18, 2013
Manuscript Accepted: February 10, 2013
Published: March 12, 2013

Citation
Norman Born, Marco Reuter, Martin Koch, and Maik Scheller, "High-Q terahertz bandpass filters based on coherently interfering metasurface reflections," Opt. Lett. 38, 908-910 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-6-908

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