Development of Miniaturized Fiber-Optic Laser Doppler Velocimetry Sensor for Measuring Local Blood Velocity: Measurement of Whole Blood Velocity in Model Blood Vessel Using a Fiber-Optic Sensor with a Convex Lens-Like Tip. - Tsutomu Tajikawa; Wataru Ishihara; Shimpei Kohri; Kenkichi Ohba (J. Sensors, 2012)