Orbital angular momentum due to modes interference

被引：1
|
作者：
Rondon Ojeda, Irving [1 ]
Soto-Eguibar, Francisco [2 ]
机构：
[1] KIAS, Sch Computat Sci, Korea Inst Adv Study, 85 Hoegiro, Seoul 02455, South Korea
[2] Inst Nacl Astrofis Opt & Electr, INAOE, Luis Enrique Erro 1, Puebla 72840, Mexico
来源：
OPTICA APPLICATA | 2021年 / 51卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
invariant beams; orbital angular momentum; mode interference; scalar potentials;
D O I：
10.37190/oa210105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present generalized expressions to calculate the orbital angular momentum for invariant beams using scalars potentials. The solutions can be separated into transversal electric TE, transversal magnetic TM and transversal electromagnetic TE/TM polarization modes. We show that the superposition of non-paraxial vectorial beams with axial symmetry can provide a well-defined orbital angular momentum and that the modes superposition affects the angular momentum flux density. The results are illustrated and analyzed for Bessel beams.
引用
收藏
页码：59 / 74
页数：16
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