Speckles in laser Doppler perfusion imaging

V. Rajan; B. Varghese; T. G. van Leeuwen; W. Steenbergen

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Speckles in laser Doppler perfusion imaging

机译：激光多普勒灌注成像中的斑点

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We report on the quantitative influence of speckles in laser Doppler perfusion imaging. The influence of speckles on the signal amplitude and on the Doppler spectrum is demonstrated experimentally for particle suspensions with different scattering levels and various beam widths. It is shown that the type of tissue affects the instrumental response through the effect of lateral light diffusion on the number of speckles involved in the detection process. These effects are largest for narrow beams.

机译：我们报告了斑点在激光多普勒灌注成像中的定量影响。对于具有不同散射水平和不同光束宽度的颗粒悬浮液，实验证明了斑点对信号幅度和多普勒频谱的影响。结果表明，组织的类型通过横向光扩散对检测过程中涉及的斑点数量的影响来影响仪器响应。对于窄光束，这些影响最大。

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《Optics Letters》 |2006年第4期|共3页
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V. Rajan; B. Varghese; T. G. van Leeuwen; W. Steenbergen;
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中图分类光学;
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Speckles in laser Doppler perfusion imaging

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