Figure 1

(a) Schematic diagram of the partially spatially coherent digital holographic microscope (PSC-DHM) system and (b) the interferometric image of the sperm cell acquired from the PSC-DHM. (RD—rotating diffuser, Ref—reference mirror, BS—Beam splitter, MO—microscope objective, MMFB—multiple multi-mode fiber bundle). Reconstructed phase map (c) and (d) the zoomed view of head, neck and tail part of the sperm cell. Color bar represents the phase map in radian.