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Modeling of multiple-scattering suppression by a one-beam cross-correlation system

机译:单光束互相关系统的多散射抑制建模

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I detail the results of adapting a rigorous algorithm, derived for multiple-scattering simulations in photon correlation spectroscopy, for modeling multiple-scattering suppression by a cross-correlation system that employs one laser beam and two slightly tilted detectors. The practical significance of the proposed numerical technique is shown for optimization of an arbitrary design configuration of cross correlation and for prediction of the ideal performance that is possible with that design. It is shown that the behavior of the coherent factor modeled versus the angle between detectors is in agreement with experimental data and analytical investigation. This factor permits mapping of the spatial extent of the single-scattering and the multiple-scattering speckles. The map holds important information about the optimal displacement of detectors for a given measurement setup, and it permits a comprehensive investigation of suppression of the scattering components, even when their magnitudes are small. (C) 1998 Optical Society of America. OCIS codes: 120.5820, 290.4210, 290.5850, 290.7050. [References: 21]
机译:我详细介绍了适应严格的算法的结果,该算法是为光子相关光谱中的多散射模拟而导出的,用于通过使用一个激光束和两个略微倾斜的检测器的互相关系统对多散射抑制建模。示出了所提出的数值技术的实际意义,用于优化互相关的任意设计配置并预测该设计可能实现的理想性能。结果表明,建模的相干因子相对于探测器之间角度的行为与实验数据和分析研究一致。该因素允许映射单散射斑点和多散射斑点的空间范围。该图包含有关给定测量设置的检测器最佳位移的重要信息,并且即使散射量很小,它也可以全面研究抑制散射分量的情况。 (C)1998年美国眼镜学会。 OCIS代码:120.5820、290.4210、290.5850、290.7050。 [参考:21]

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  • 来源
    《Applied optics》 |1998年第33期|共9页
  • 作者

    Ovod VI.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光学;
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