The temporal statistics of laser speckle from vascular tissues on skin surface have been measured. Based on a temporal spectral analysis of the speckle signal, a new method of monitoring skin blood flow is proposed.
© 1985 Optical Society of America
Hitoshi Fujii, Toshimitsu Asakura, Kunihiko Nohira, Yoshihisa Shintomi, and Takehiko Ohura, "Blood flow observed by time-varying laser speckle," Opt. Lett. 10, 104-106 (1985)