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Determination of flow velocity vector based on Doppler shift and spectrum broadening with optical coherence tomography

机译:基于多普勒频移和光谱相干加宽技术的流速矢量确定

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摘要

We describe a technique that uses Doppler optical coherence tomography to estimate accurately the scattering fluid-flow velocity without a priori knowledge of the Doppler angle. Our technique is based on the combined use of the Doppler shift on the interference signal and the Doppler spectrum broadening caused by the particles moving across the probe beam. It is shown that the estimated values of the Doppler angle and average fluid velocity from the experiments agree well with the preset values. (C) 2003 Optical Society of America. [References: 11]
机译:我们描述了一种使用多普勒光学相干断层扫描技术来准确估算散射流体流速的技术,而无需事先了解多普勒角度。我们的技术基于干扰信号上的多普勒频移和粒子穿过探测光束移动引起的多普勒频谱展宽的组合使用。结果表明,实验得出的多普勒角和平均流体速度的估计值与预设值吻合良好。 (C)2003年美国眼镜学会。 [参考:11]

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