Frequency-dependent characteristics of terahertz radiation on the enamel and dentin of human tooth (original) (raw)

Current Applied Physics, 2009

Abstract

The accurate terahertz (THz) electrical and optical properties of biomaterials are required as the biological applications of THz electromagnetic waves were recently increased. The frequency-dependent characteristics of enamel and dentin of human tooth were measured in this study through THz time-domain spectroscopy. The power absorptions of enamel and dentin were found to be similar while the index of refraction of

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