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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1782–1784

Broadband terahertz transmission within the air channel of thin-wall pipe

Edwin Nguema, Denis Férachou, Georges Humbert, Jean-Louis Auguste, and Jean-Marc Blondy  »View Author Affiliations


Optics Letters, Vol. 36, Issue 10, pp. 1782-1784 (2011)
http://dx.doi.org/10.1364/OL.36.001782


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Abstract

We report broadband transmissions of terahertz radiations through the air channel of thin-wall pipe. The impacts of the wall thickness and of the refractive index of the material on the transmission window bandwidth are investigated. An extension of the bandwidth by at least 5.5 times is reported with a commercial drinking straw. The salient properties of the antiresonant reflecting guiding mechanism are studied with the terahertz time domain spectroscopy method, including the reduction of the attenuation coefficient of the propagated field by 60 times the material absorption coefficient.

© 2011 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(260.3090) Physical optics : Infrared, far

ToC Category:
Optical Devices

History
Original Manuscript: February 8, 2011
Revised Manuscript: March 30, 2011
Manuscript Accepted: April 9, 2011
Published: May 6, 2011

Citation
Edwin Nguema, Denis Férachou, Georges Humbert, Jean-Louis Auguste, and Jean-Marc Blondy, "Broadband terahertz transmission within the air channel of thin-wall pipe," Opt. Lett. 36, 1782-1784 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-10-1782

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