An optical measurement system of absolute blood flow velocity is disclosed, which includes a low coherence length source, a splitter, a reference velocity unit, a target and a photodetector unit.

• 本发明系有关于一种量测绝对血流速之光学系统，其主要包括同调性光源、分光单元、参考流速单元、待测物体及光接收单元。