Calibration of light-scattering instruments. III. Absolute angular intensity measurements on mie scatterers

Josip P Kratohvil, Colin Smart
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引用次数: 62

Abstract

The absolute angular scattered intensities for a Mie scattering system have been determined. A Dow polystyrene latex of large diameter (DEM = 1.305 μ) was studied with unpolarized, vertically polarized, and horizontally polarized incident light. The necessary expressions relating the geometrical, optical, and calibration constants of a Brice-Phoenix photometer with the quantities directly related to the Mie intensity functions were developed. Two features of the experimental technique were explored in detail: the use of polarized incident radiation and the effect of the solid angle subtended by the receiver aperture. Generally, excellent agreement between the theoretical Mie intensity functions and the corresponding experimental absolute intensities was obtained over the whole angular range.

光散射仪器的校正。3mie散射体的绝对角强度测量
确定了米氏散射系统的绝对角散射强度。用无偏振光、垂直偏振光和水平偏振光对大直径(DEM = 1.305 μ)的陶氏聚苯乙烯胶乳进行了研究。建立了布赖斯-菲尼克斯光度计的几何常数、光学常数和标定常数与米氏光强函数直接相关的关系式。详细探讨了该实验技术的两个特点:偏振入射辐射的利用和接收机孔径所对应的立体角的影响。总的来说,在整个角度范围内,理论Mie强度函数与相应的实验绝对强度具有很好的一致性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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