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. Author manuscript; available in PMC: 2021 Jan 28.
Published in final edited form as: ACS Photonics. 2019 Dec 3;7(1):128–134. doi: 10.1021/acsphotonics.9b01235

Fig. 5.

Fig. 5

Ciliary beat frequency measurements at a single location on synchronized cilia; the color bar encodes displacement of ciliary activity in images a-c). a-c) Raw phase data over depth, d-f) mean phase plot of raw data, g-i) frequency distribution after FFT.