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. Author manuscript; available in PMC: 2015 Jul 7.
Published in final edited form as: IEEE Trans Terahertz Sci Technol. 2015 Feb 18;5(2):184–196. doi: 10.1109/TTHZ.2015.2392628

Fig. 2.

Fig. 2

THz imaging system. (a) System block diagram. (b) Illumination geometry. (c) Photoconductive switch power spectral density and detector spectral responsivity.