Yuezhi He, Benjamin S.-Y. Ung, Edward P. J. Parrott, Anil T. Ahuja, and Emma Pickwell-MacPherson
Freeze-thaw hysteresis effects in terahertz imaging of biomedical tissues
There have recently been several studies published involving terahertz (THz) imaging of frozen biomedical samples. In this paper, we investigate the effects of the freeze-thaw cycle on THz properties of porcine muscle and fat samples. For ordinary freezing, there was a significant change in the THz properties after thawing for muscle tissue but not for fat tissue. However, if snap-freezing was combined with fast-thawing instead of ordinary freezing and ordinary thawing, then the freeze-thaw hysteresis was removed.
© 2016 Optical Society of America
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