We study the feasibility of endoscopic optical Doppler tomography with a micro-electro-mechanical system (MEMS) mirror based probe. The additional phase shifts introduced by the probe are tracked and formulated. The suppression method of the probe phase shifts is proposed and validated by fluid flow detection experiments. In vivo blood flow detection is also implemented on a hairless mouse. The velocities of the blood flow in two directions are obtained to be $-$8.1 mm/s and 6.6 mm/s, respectively.
Supported by the National Natural Science Foundation of China under Grant No 61705199, the Natural Science Foundation of Henan Province under Grant No 162300410317, the Henan Science and Technology Project under Grant Nos 162102310576 and 172102210542, the Zhengzhou Science and Technology Project under Grant No 153PKJGG125, and the US National Science Foundation under Grant No 1002209.
- Dong-Lin Wang, Yun-Qi Hao, Feng-Xiao Zhai, Kun Yang, Hong-Qiong Liu, Qiao Chen, Huikai Xie. Endoscopic Optical Doppler Tomography Based on Two-Axis Scanning MEMS Mirror[J]. CPL, 2018, 35(12): 120701-.