Title :
Laser speckle contrast imaging with extended depth of field for brain imaging applications
Author :
Sigal, Iliya ; Atchia, Yaaseen ; Gad, Raanan ; Caravaca, Antonio Miguel ; Conkey, Donald ; Piestun, Rafael ; Levi, Ofer
Author_Institution :
Edward S. Rogers Sr. Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada
Abstract :
We implement a system with extended depth of field for measuring flow rates in brain-mimicking microfluidic system. We report flow velocity deviations of <;10% across 3mm defocus, resulting in >4-fold improvement in depth of field.
Keywords :
biomedical optical imaging; blood flow measurement; brain; laser applications in medicine; measurement by laser beam; microfluidics; physiological models; speckle; 4-fold improvement; brain imaging applications; brain-mimicking microfluidic system; extended depth of field; flow rate measurement; flow velocity deviations; laser speckle contrast imaging; Biomedical imaging; Biomedical measurement; Educational institutions; Fluid flow measurement; Scattering; Speckle;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA