系统本征模影响下非相干散射的修正
Modification of incoherent scattering under the influence of system eigenmodes
摘要：
研究了铝基底上非均匀二氧化铈（CeO 2）薄膜的光学性质。研究了相干电磁辐射的反射、散射和吸收随入射角和偏振态的变化关系。实验和数值研究表明，存在一个入射角，在这个入射角下，s偏振相干辐射的散射和吸收同时增加，而镜面反射只占几个分量。该角度对应于法布里-珀罗谐振器模式的激发。这种效应为操纵（调谐）非均匀薄膜的反射开辟了广阔的前景。
英文摘要：
The optical properties of inhomogeneous cerium dioxide (CeO2) films on aluminum (Al) sublayer are investigated. The dependencies of the reflection, scattering, and absorption of coherent electromagnetic radiation as functions of the incidence angle and polarization are studied. The experimental and numerical studies show the existence of an incidence angle at which the scattering and absorption of coherent radiation with s-polarization increase simultaneously and the specular reflection becomes just about a few percents. The angle corresponds to an excitation of Fabry-Perot resonator modes. This effect opens up great prospects for manipulation (tuning) of the reflection from the inhomogeneous films.
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