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3D PSFs of the aFLOT system at 302 μm (A), 664 μm (B), and 785 μm (C). Insets show the isosurface of PSFs with μs′ = 0.5/mm. Legends report FWHM in μm in x, y, and z directions. (D) FWHM versus depths. •, ○, and × represent respectively the FWHM in x, y, and z directions of a single PSF at the corresponding depth. (E,F) Reconstructed 3D aFLOT fluorescence images of 100 μm glass capillary tube superimposed with OCT data.
