Synthesis of a spin-orbit beam lattice using a Dammann grating

被引:0
|
作者
Gangwar, Kapil K. [1 ]
Bansal, Sarvesh [1 ]
Desai, Jawahar [2 ]
Senthilkumaran, P. [1 ,3 ]
机构
[1] Indian Inst Technol Delhi, Dept Phys, New Delhi 110016, India
[2] Ben Gurion Univ Negev, Sch Elect & Comp Engn, POB 653, IL-8410501 Beer Sheva, Israel
[3] Indian Inst Technol Delhi, Opt & Photon Ctr, New Delhi 110016, India
来源
OPTICS CONTINUUM | 2023年 / 2卷 / 02期
关键词
VECTOR-FIELDS; POLARIZATION; GENERATION; PHASE;
D O I
10.1364/OPTCON.482089
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper, we propose a method for the generation of a two-dimensional spin-orbit beam lattice using a Dammann grating. A Dammann grating is fabricated and is illuminated by ellipse field/vector filed singular beam that contains a polarization singularity. Since, Dammann grating is used to produce equal-intensity light spots, each of the spin-orbit beams in the lattice has equal intensity distribution. Interestingly, they also have the same polarization distribution as that of the input light. Unlike the interferometric methods of lattice generation, the diffractive method proposed here produces lattices of the same index singularities. Simulation and experimental results are provided to demonstrate the concept.
引用
收藏
页码:370 / 381
页数:12
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