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. Author manuscript; available in PMC: 2019 Dec 12.
Published in final edited form as: Cell Calcium. 1994 Jan;15(1):7–27. doi: 10.1016/0143-4160(94)90100-7

Fig. 1.

Fig. 1

Apparatus for cellular FLIM. M, Mirror, DBS, dichroic beam splitter; F, filter, L, lens; ω, modulation frequency; θD, phase angle of the frequency synthesizer output. See Materials and methods for additional details.