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arXiv 1310.1702physics.opticsastro-ph.IMphysics.ao-ph
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大气光散射的蒙特卡罗模拟及气溶胶对点扩散函数的影响

Monte Carlo simulation of light scattering in the atmosphere and effect of atmospheric aerosols on the point spread function

J. Colombi, K. Louedec

摘要:

我们提出了一个蒙特卡罗模拟的光的散射的情况下,各向同性光源。散射相函数进行了研究,特别是详细了解它们如何影响在大气中的多次光散射。我们表明,虽然气溶胶通常是在较低的密度比在大气中的分子,他们可以有一个不可忽略的影响,对大气点扩散函数。当大气中存在大的气溶胶时,地面探测器尤其会受到这种影响。

英文摘要:

We present a Monte Carlo simulation for the scattering of light in the case of an isotropic light source. The scattering phase functions are studied particularly in detail to understand how they can affect the multiple light scattering in the atmosphere. We show that although aerosols are usually in lower density than molecules in the atmosphere, they can have a non-negligible effect on the atmospheric point spread function. This effect is especially expected for ground-based detectors when large aerosols are present in the atmosphere.

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