Research
Jul 28, 2008
Terahertz radiation: ideal for skin imaging?
Terahertz radiation - with frequencies between 100 GHz and 10 THz - has been touted as an ideal tool for in vivo medical imaging. The high dielectric constant of water at these frequencies means that terahertz imaging can detect slight variations in the water content of biological materials. Coupled with the non-ionizing nature of this radiation and its ability to penetrate clothing with minimal scattering, terahertz imaging appears particular suited to examining skin abnormalities such as burns, scars, wounds and skin cancers.
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