Fig. 6From: Clinical and experimental study of a terahertz time-domain system for the determination of the pathological margins of laryngeal carcinomaComparison of terahertz optical parameters of laryngeal carcinoma, para-cancer and normal tissues (red represents laryngeal carcinoma, blue represents para-cancer, and green represents normal tissues) revealed significant differences among them: laryngeal carcinoma > adjacent tissue > normal tissue. a Absorption coefficient and b refractive indexBack to article page