Tissue blood flow measurement by laser Doppler technique

Measurement of blood flow and the effects of different factors on tissue blood flow are important fields of research in physiology and pharmacology. So far, different methods have been innovated, using laser light is the Last one. In this article history, principles and specifications of laser technique along with its advantages and disadvantages ( in comparison with other methods) are reviewed. At the end, some examples of blood flow measurement by this technique are presented.

Keywords:

Blood flow , body tissues , Laser , Doppler shift