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Laser speckle contrast analysis (LASCA): a technique for measuring capillary blood flow using the first order statistics of laser speckle patterns

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2 Author(s)
Richards, G.J. ; Sch. of Appl. Phys., Kingston Univ., UK ; Briers, J.D.

Deals with LASCA or laser speckle contrast analysis. This is a non-invasive, non-scanning technique that produces 2-dimensional velocity maps of blood flow in capillaries. The method is based on the use of the first order statistics, specifically the contrast of time-varying laser speckle. A brief introduction to the theory and practicalities of the method is given. Along with some improvements to the initial system and preliminary results which were obtained

Published in:

Biomedical Applications of Photonics (Digest No. 1997/124), IEE Colloquium on

Date of Conference:

2 Apr 1997