Analysis of Scattering characteristics of PEMC sphere by vortex Bessel beams

被引：3
|
作者：
Arfan M. [1 ]
Asif M. [2 ]
Ghaffar A. [1 ]
Razzaz F. [3 ,4 ]
Saeed S.M. [3 ]
Alanazi T.M. [3 ]
机构：
[1] Department of Physics, University of Agriculture, Faisalabad
[2] Department of Mathematics, Lahore Campus, COMSATS University Islamabad, Lahore
[3] Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Al-Kharj
[4] Faculty of Engineering and Information Technology, Taiz University, Taiz
来源：
Optik | 2024年 / 298卷
关键词：
Efficiency factors; Orbital angular momentum; PEMC sphere; Scattering; Vortex Bessel beam;
D O I：
10.1016/j.ijleo.2023.171599
中图分类号：
学科分类号：
摘要：
Generalized Lorenz-Mie theory (GLMT) is well known to analyze the scattering characteristics of spherical surfaces and metamaterials such as perfect electromagnetic conductor (PEMC) sphere. Also, metamaterials are explored very well when illuminated by electromagnetic waves/beams and their characteristics depend upon propagation and scattering response. So, in this manuscript, vortex Bessel beam (VBB) interaction from PEMC sphere has been investigated. The VBB interaction with material particles is of quite interesting due to association of orbital angular momentum (OAM) with them. By employing the Integral localized approximation (ILA) method, the beam‐shape coefficients (BSCs) regarding VBB are obtained. Computations for the scattering efficiency QSca and extinction efficiency QExt for PEMC sphere by considering the co‐polarized and cross‐polarized scattering components are presented and analyzed. Moreover, the influences of OAM mode number, electromagnetic admittance parameter, and diffraction angle are discussed. Numerical results have applications regarding transfer of OAM of VBB to PEMC sphere and associated applications in light manipulation and scattering, optical tweezers, metamaterial fields, and remote sensing. © 2024 Elsevier GmbH
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