4.6 Article

The Stress Phase Angle Measurement Using Spectral Domain Optical Coherence Tomography

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Article Instruments & Instrumentation

Absolute flow measurement in chicken embryo based on optical coherence tomography with direct Doppler angle measuring

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Summary: Abnormal blood flow in the early stage of embryonic heart can lead to cardiac defects. Accurate flow measurement in the embryonic heart is important for related studies. Optical coherence tomography (OCT) is a noninvasive imaging approach that can provide high-resolution flow velocity distribution information. The proposed method in this study introduces a dividing head to probe the arm of OCT, allowing for the measurement of the Doppler angle and the calculation of absolute flow velocity. The method is validated using a capillary phantom and further applied to measure blood flow in the early stage of chicken embryo in vivo.

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