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
Original Manuscript: September 4, 1984
Manuscript Accepted: December 26, 1984
Published: March 1, 1985
Hitoshi Fujii, Kunihiko Nohira, Yoshihisa Shintomi, Toshimitsu Asakura, and Takehiko Ohura, "Blood flow observed by time-varying laser speckle," Opt. Lett. 10, 104-106 (1985)