Method for Describing the Angular Distribution of Optical Radiation Scattered by a Monolayer of Ordered Spherical Particles (Normal Illumination).
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| Title: | Method for Describing the Angular Distribution of Optical Radiation Scattered by a Monolayer of Ordered Spherical Particles (Normal Illumination). |
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| Authors: | Loiko, N. A.1 n.loiko@ifanbel.bas-net.by, Miskevich, A. A.1 miskevic@ifanbel.bas-net.by, Loiko, V. A.1 loiko@ifanbel.bas-net.by |
| Source: | Journal of Experimental & Theoretical Physics. Feb2018, Vol. 126 Issue 2, p159-173. 15p. |
| Subjects: | Angular distribution (Nuclear physics), Optical radiometry, Light scattering, Monomolecular films, Quasicrystals, Electromagnetic waves |
| Abstract: | We have developed a method for describing the angular distribution of intensity of radiation scattered by a monolayer of homogeneous spatially ordered monodisperse spherical particles normally illuminated by a plane circularly polarized electromagnetic wave. The method is based on the quasicrystalline approximation (QCA) of the theory of multiple scattering of waves (TMSW) using the multipole expansion of fields and the tensor Green function in vectorial spherical wavefunctions. The method is applied for analyzing the characteristics of radiation scattered by a partially ordered monolayer and a monolayer with a nonideal lattice. The results of calculations are compared with the available experimental data on the position of the first-order diffraction peak on the angular and spectral dependences of the intensity of radiation scattered by a closely packed monolayer with a nonideal triangular lattice of SiO2 particles. Good conformity of the results has been established. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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