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Proceedings Article

Computed effects of sweat gland ducts on the propagation of 94 GHz waves in skin

[+] Author Affiliations
Gal Shafirstein, Eduardo G. Moros

Univ. of Arkansas for Medical Sciences (USA)

Proc. SPIE 7901, Energy-based Treatment of Tissue and Assessment VI, 790113 (February 23, 2011); doi:10.1117/12.888085
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From Conference Volume 7901

  • Energy-based Treatment of Tissue and Assessment VI
  • Thomas P. Ryan
  • San Francisco, California, USA | January 22, 2011

abstract

The effects of sweat gland ducts (SGD) on specific absorption rate and temperatures during millimeter wave irradiation of skin were investigated with a high resolution finite differences time domain model consisting of a 30 μm stratum corneum (SC), a 350 μm epidermis, 1000 μm dermis and five SGD (60 μm radius, 300 μm height, 370 μm separation). The source was a WR-10 waveguide irradiating at 94 GHz. Without SGD, specific absorption rate (SAR) and temperature maximum were in the dermis near epidermis. With SGD, a higher SAR maximum was inside SGD in the epidermis while temperature maximum moved to the epidermis/stratumcorneum junction. SGD significantly affected how GHz waves were absorbed in the skin. Implications of these finding in nociceptive research will be discussed as well as other potential medical applications.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Gal Shafirstein and Eduardo G. Moros
"Computed effects of sweat gland ducts on the propagation of 94 GHz waves in skin", Proc. SPIE 7901, Energy-based Treatment of Tissue and Assessment VI, 790113 (February 23, 2011); doi:10.1117/12.888085; http://dx.doi.org/10.1117/12.888085


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