Research Article

Optical System for Bispectral Imaging in Mid-IR at 1000 Frames per Second

Figure 3

Separate imaging is accomplished through upper (a) and lower (b) channels. Each beam goes through the same path: one reflection at a beam splitter, one transmission at a beam splitter, and one reflection at a 45-degree mirror.
905870.fig.003a
(a) Upper channel
905870.fig.003b
(b) Lower channel