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. Author manuscript; available in PMC: 2020 Jun 19.
Published in final edited form as: Biomed Spectrosc Imaging. 2019 Jul 9;8(1-2):1–9. doi: 10.3233/bsi-190187

Fig. 1.

Fig. 1.

(a) Terahertz imaging system diagram for the reflection mode of fresh tumors. (b) Incident time domain THz pulse, and (c) frequency domain signal following Fourier transform [21].