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生物组织的光学成像技术一直是国际上的一个热点．相对于其它传统的临床诊断手段如Ｘ－ＣＴ等相比具有很大的优点．由于它是一种非侵入性的检测手段，采用的光源是近红外光，对人体不会有大的危害．目前的时间分辨层析术利用了在无限细光束入射时蛇行光在组织中近似沿直线传播
Optical imaging technology of biological tissue has always been a hot spot in the world. Compared with other traditional clinical diagnostic tools such as X-CT, etc. compared to have great advantages. Because it is a non-invasive detection means, the light source is near infrared light, the human body will not be a big harm. Current time-resolved tomography takes advantage of the fact that meandering light propagates approximately linearly in tissue at the infinitesimal beam incident