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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2708–2710

Observation of terahertz beam diffraction by fabrics

Émilie Hérault, Maxence Hofman, Frédéric Garet, and Jean-Louis Coutaz  »View Author Affiliations

Optics Letters, Vol. 38, Issue 15, pp. 2708-2710 (2013)

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The structure of most of fabrics is an almost periodic network of interlaced yarns or threads, whose periodicity is of the order of the terahertz wavelength. We report here on the diffraction of terahertz electromagnetic waves by the yarn network in common cloths. In the case of linen, this effect could lead to overestimating (by a factor as large as 3) the absorption when determined from the classical terahertz time-domain experiment. Our results are confirmed by a HFSS numerical simulation.

© 2013 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(230.1950) Optical devices : Diffraction gratings
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:

Original Manuscript: June 10, 2013
Revised Manuscript: July 1, 2013
Manuscript Accepted: July 1, 2013
Published: July 29, 2013

Émilie Hérault, Maxence Hofman, Frédéric Garet, and Jean-Louis Coutaz, "Observation of terahertz beam diffraction by fabrics," Opt. Lett. 38, 2708-2710 (2013)

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