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Multiple scattering of a polarized laser beam.

机译:偏振激光束的多次散射。

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摘要

The multiple scattering of polarized light is an area of research which is gaining increased interest in the academic community, particularly involving the scattering of polarized laser beams. Few studies exist in the literature involving the spatial variation of the diffuse polarized light field produced by the multiple scattering of a polarized laser beam. Thus the goal of this thesis is to study the spatial variation of the diffuse light field produced by a polarized laser beam impinging on a plane parallel scattering layer.;The first two papers deal with issues involving the measurement of the Stokes vectors. The third paper deals with the Monte Carlo simulation of the multiple scattering of an unpolarized narrow light beam using scalar radiative transport theory. The final two papers deal with the numerical and experimental analysis of the spatial variation of the polarized diffuse light field produced by a circularly polarized laser beam incident on a plane parallel scattering medium. Particular attention is focused on the degree of polarization of the light field. Results of this study suggest that the diffuse light field is polarized at significant optical radii from the incident light beam in spite of the large number of scattering events photons have undergone.
机译:偏振光的多重散射是一个研究领域,正在引起学术界的越来越多的关注,尤其是涉及偏振激光束的散射。文献中很少涉及由偏振激光束的多次散射产生的扩散偏振光场的空间变化的研究。因此,本论文的目的是研究偏振激光束入射到平面平行散射层上所产生的散射光场的空间变化。前两篇论文涉及斯托克斯矢量的测量问题。第三篇论文使用标量辐射传输理论,对无偏振窄光束的多重散射进行了蒙特卡罗模拟。最后两篇论文涉及由圆偏振激光束入射到平面平行散射介质上产生的偏振漫射光场的空间变化的数值和实验分析。特别要注意的是光场的偏振度。这项研究的结果表明,尽管光子发生了许多散射事件,但散射光场在入射光束的显着光学半径处发生了偏振。

著录项

  • 作者

    Ambirajan, Amrit.;

  • 作者单位

    University of Missouri - Rolla.;

  • 授予单位 University of Missouri - Rolla.;
  • 学科 Engineering Mechanical.;Physics Optics.;Physics Atmospheric Science.
  • 学位 Ph.D.
  • 年度 1997
  • 页码 163 p.
  • 总页数 163
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械、仪表工业;大气科学(气象学);光学;
  • 关键词

  • 入库时间 2022-08-17 11:48:53

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