Characterization of blood using terahertz waves

Kiyoung Jeong, Yong Min Huh, Sang Hoon Kim, Yeonji Park, Joo Hiuk Son, Seung Jae Oh, Jin Suck Suh

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

We show that terahertz (THz) time-domain spectroscopy (TDS) can be used to characterize the blood. The complex optical constants of blood and its constituents, such as water, plasma, and red blood cells (RBCs), were obtained in the THz frequency region. The volume percentage of RBCs in blood was extracted and compared with the conventional RBC counter results. The THz absorption constants are shown to vary linearly with the RBC concentration in both normal saline and whole blood. The excellent linearity between the THz signal and the RBC concentration was also confirmed in a polyurethane resin tube using a THz imaging method. These results demonstrate that THz-TDS imaging can facilitate the quantitative analysis of blood.

Original languageEnglish
Article number107008
JournalJournal of Biomedical Optics
Volume18
Issue number10
DOIs
Publication statusPublished - 2013 Oct

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering

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