Research Article

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

Figure 12

PDFs of Doppler signal using catheter LDV system.
426476.fig.0012a
(a) Caprine blood ( 𝐻 c t = 4 0 %), He-Ne laser
426476.fig.0012b
(b) Caprine blood ( 𝐻 c t = 4 0 %), laser diode
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(c) Bovine blood, 𝑄 = 0 . 6  L/min., He-Ne laser