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. 2019 Jul 19;5(7):eaav7127. doi: 10.1126/sciadv.aav7127

Fig. 5. Ultrafast chemical mapping of nanoscale PMMA film by WPS microscope.

Fig. 5

(A to E) WPS images of 486-nm-thick PMMA film at speeds equivalent to 1250, 250, 50, 10, and 2.4 frames/s. (F) Measured SNR and power function fitting result (solid curve). Scale bar, 40 μm.