Does human skin truly behave as an array of helical antennae in the millimeter and terahertz wave ranges?
Optics Letters, Vol. 35, Issue 19, pp. 3180-3182 (2010)
http://dx.doi.org/10.1364/OL.35.003180
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Abstract
The sweat ducts of the human perspiration system are helically shaped tubes, filled with a conductive aqueous solution. Recent studies have claimed that these ducts act as an array of low-Q helical antennae and are dominant in shaping the spectral response in the subterahertz region. Using local homogenization theory for the skin embedded with sweat ducts, we found that multiple interference effects from the skin layers play the major role in determining the skin electromagnetic characteristics in the millimeter and terahertz regions without the need for the assumption of the sweat ducts acting as low-Q helical antennae.
© 2010 Optical Society of America
OCIS Codes
(170.1870) Medical optics and biotechnology : Dermatology
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.6795) Medical optics and biotechnology : Terahertz imaging
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: June 25, 2010
Revised Manuscript: August 15, 2010
Manuscript Accepted: August 15, 2010
Published: September 21, 2010
Virtual Issues
Vol. 5, Iss. 14 Virtual Journal for Biomedical Optics
Citation
Michael Ney and I. Abdulhalim, "Does human skin truly behave as an array of helical antennae in the millimeter and terahertz wave ranges?," Opt. Lett. 35, 3180-3182 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-19-3180
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