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. 2019 Jan 16;5(1):eaau0241. doi: 10.1126/sciadv.aau0241

Fig. 1. Schematic and principles of FT-CARS flow cytometry.

Fig. 1

(A) Schematic of the FT-CARS flow cytometer. (B) Principles of FT-CARS spectroscopy. A coherent molecular vibration in the target cell excited by the pump pulse induces a frequency shift to the probe pulse. Fourier transforming the measured time-domain interferogram gives the Raman spectrum of the cell. PBS, polarizing beamsplitter.