1. Comparison of high and low coherence Doppler spectra for human subcutaneous blood flow diagnostics in vivo

    Comparison of high and low coherence Doppler spectra for human subcutaneous blood flow diagnostics in vivo
    Experimental methods of coherence-gated time domain imaging (TD-OCT), Doppler OCT and quasielastic laser light scattering are compared in terms of optimal data acquisition and processing. Low coherence methods are applied for flow visualization in hydrodynamic phantoms and in vivo. Low coherence reflection Doppler spectra are compared with laser Doppler spectra. Structural images of in vivo human subcutaneous veins with diameter of about 1 mm are demonstrated before and after optical clearing and raster averaging. Structural images of human thumb nail and ~1 mm in depth tissue underneath in the transitional OCT mode are presented. Low power rapid scanning optical delay ...
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