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. 2016 Jun 3;2(6):e1600190. doi: 10.1126/sciadv.1600190

Fig. 1. Schematic illustration of near-field, single-pixel THz imaging.

Fig. 1

The imaging scheme: An 800-nm pump pulse is spatially modulated and used to photoexcite a semiconducting wafer, which transfers the spatial encoding mask onto a coincident THz pulse. The subsequent THz pulse is then passed through an object onto a single-pixel detector.