Journal of Infrared, Millimeter, and Terahertz Waves

, Volume 32, Issue 4, pp 506–512

Characteristics of Gadolinium Oxide Nanoparticles as Contrast Agents for Terahertz Imaging

Authors

  • Dong-Kyu Lee
    • Laboratory for Terahertz Biophotonics, Department of PhysicsUniversity of Seoul
  • Hyeongmun Kim
    • Laboratory for Terahertz Biophotonics, Department of PhysicsUniversity of Seoul
  • Taekhoon Kim
    • Nanochemistry Laboratory, Department of ChemistryKorea University
  • Byungkyu Cho
    • Nanochemistry Laboratory, Department of ChemistryKorea University
  • Kwangyeol Lee
    • Nanochemistry Laboratory, Department of ChemistryKorea University
    • Laboratory for Terahertz Biophotonics, Department of PhysicsUniversity of Seoul
Article

DOI: 10.1007/s10762-011-9776-7

Cite this article as:
Lee, D., Kim, H., Kim, T. et al. J Infrared Milli Terahz Waves (2011) 32: 506. doi:10.1007/s10762-011-9776-7

Abstract

For the application of gadolinium oxide (Gd2O3) nanoparticles as terahertz contrast agents, their optical properties in a solvent were studied using terahertz time-domain spectroscopy. The power absorption and refractive index of the samples were measured with various concentrations of nanoparticles. The power absorption was extremely large, as much as three orders of magnitude higher than that of water, so that a few ppms of Gd2O3 nanoparticles were distinguished in terms of their power absorption capacity. The results show that the interaction between the terahertz electromagnetic waves and the Gd2O3 nanoparticles is strong enough to allow their exploitation as contrast agents for terahertz medical imaging.

Keywords

Terahertz time-domain spectroscopy Terahertz imaging Gadolinium oxide Nanoparticle

Copyright information

© Springer Science+Business Media, LLC 2011