THz Time-Domain Spectroscopy of Human Skin Tissue for In-Body Nanonetworks

Nishtha Chopra, Ke Yang, Qammer H. Abbasi, Khalid Qaraqe, Mike Philpott, Akram Alomainy

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper presents experimental study of real human skin material parameter extraction based on terahertz (THz) time-domain spectroscopy in the band 0.1-2.5 THz. Results in this paper show that electromagnetic properties of the human skin distinctively affect the path loss and noise temperature parameters of the communication link, which are vital for channel modeling of in-body nanonetworks. Refractive index and absorption coefficient values are evaluated for dermis layer of the human skin. Repeatability and consistency of the data are accounted for in the experimental investigation and the morphology of the skin tissue is verified using a standard optical microscope. Finally, the results of this paper are compared with the available work in the literature, which shows the effects of dehydration on the path loss and noise temperature. The measured parameters, i.e., the refractive index and absorption coefficient are 2.1 and 18.45 cm-1, respectively, at 1 THz for a real human skin, which are vital for developing and optimizing future in-body nanonetworks.

Original languageEnglish
Pages (from-to)803-809
Number of pages7
JournalIEEE Transactions on Terahertz Science and Technology
Volume6
Issue number6
DOIs
Publication statusPublished - 1 Nov 2016

Fingerprint

Skin
noise temperature
Spectroscopy
Tissue
absorptivity
refractivity
spectroscopy
electromagnetic properties
coefficients
Refractive index
optical microscopes
dehydration
communication
Parameter extraction
Dehydration
temperature
Telecommunication links
Microscopes
Temperature

Keywords

  • Channel modeling
  • nanonetwork
  • path loss (PL)
  • skin
  • terahertz (THz) time-domain spectroscopy (TDS)

ASJC Scopus subject areas

  • Radiation
  • Electrical and Electronic Engineering

Cite this

THz Time-Domain Spectroscopy of Human Skin Tissue for In-Body Nanonetworks. / Chopra, Nishtha; Yang, Ke; Abbasi, Qammer H.; Qaraqe, Khalid; Philpott, Mike; Alomainy, Akram.

In: IEEE Transactions on Terahertz Science and Technology, Vol. 6, No. 6, 01.11.2016, p. 803-809.

Research output: Contribution to journalArticle

Chopra, Nishtha ; Yang, Ke ; Abbasi, Qammer H. ; Qaraqe, Khalid ; Philpott, Mike ; Alomainy, Akram. / THz Time-Domain Spectroscopy of Human Skin Tissue for In-Body Nanonetworks. In: IEEE Transactions on Terahertz Science and Technology. 2016 ; Vol. 6, No. 6. pp. 803-809.
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