Fig. 2
OCTA system performance with GB and NB.a OCT B-scan (x–z) images of 5 μm microbeads by GB, 420 μm NB and 620 μm NB, scale bars at bottom left, 200 μm. b OCT En face (x–y) images of 5 μm microbeads at five depths, scale bars at bottom left, 100 μm. c Contrast-to-noise ratios (CNRs) and(d) Signal-to-noise ratios (SNRs) of (b) along the depth. e Diameters of the used GB, 420 μm NB and 620 μm NB. f Relative intensity of the used GB, 420 μm NB and 620 μm NB. g and h in vivo non-stitching, depth-encoded OCTA images of mouse brain (6.4 mm × 4 mm) acquired by GB and 620 μm NB, respectively. Scale bars at bottom left, 500 μm