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en línea
Sergey S. Stafeev, Nikita N. Kazakov, Vladislav D. Zaitsev, Sergey D. Poletayev and Victor V. Kotlyar    
In this work, the tight focusing of vector beams with azimuthal polarization and beams with a V-line of polarization singularity (sector azimuthal polarization) was simulated numerically using the Richards?Wolf formulas. It was demonstrated that in a tig... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Victor V. Kotlyar, Anton G. Nalimov and Alexey A. Kovalev    
We consider sharp focusing of an axial superposition of two optical vortices with identical topological charges, but different amplitudes and circular polarizations of different signs. The ratio of the amplitudes of the two beams is a parameter. When thi... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ying Guan, Li-Xin Zhong, Chaoyang Qian and Rui-Pin Chen    
The near-field characteristics of a radially-variant vector beam (RVVB) are analyzed by using the vectorial angular spectrum method. The non-paraxial RVVB can be decomposed into the propagating wave and the evanescent wave in near field. The coherent sup... ver más
Revista: Applied Sciences    Formato: Electrónico

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