• Corpus ID: 219177438

Theoretical analysis of the non-uniform OAM source based on an equivalent source transformation.

@article{Zhu2020TheoreticalAO,
  title={Theoretical analysis of the non-uniform OAM source based on an equivalent source transformation.},
  author={Zelin Zhu and Shilie Zheng and Xiaowen Xiong and Yuqi Chen and Xiaofeng Jin and Xianbin Yu and Xianmin Zhang},
  journal={arXiv: Classical Physics},
  year={2020}
}
Orbital angular momentum (OAM) has gradually become a research hotspot in radar, communication and other fields because of its phase distribution. However it encounters some problems in the real practice owing to its inherent characteristics. Recently OAM mode group has been proposed to solve these problems. In this paper, a non-uniform OAM source is used to generate the OAM mode-group (MG) directly. The radiation field is analyzed based on an equivalent source transformation. Taking the… 

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References

SHOWING 1-8 OF 8 REFERENCES

OAM Mode-Group Generation Method: Partial Arc Transmitting Scheme

A partial slotted curved waveguide leaky-wave antenna which can generate orbital angular momentum (OAM) mode-groups (MG) with high equivalent OAM order negative and positive 40 at 60 GHz is proposed

An OAM-Generating Method Using Density-Weighted Circular Array

A generation method of vortex electromagnetic (EM) waves based on the density-weighted circular array is proposed to converge the beams. The density-weighted circular array is presented firstly and

Realization of Beam Steering Based on Plane Spiral Orbital Angular Momentum Wave

A new form of plane spiral orbital angular momentum (PS-OAM) carrying wave with the spiral harmonics of exp(− $jl\varphi$ ) as a complete set of eigenmodes is proposed to realize beam steering. Such

Performance Analysis of Plane Spiral OAM Mode-Group Based MIMO System

TLDR
The simulated results show that the proposed scheme can increase the channel capacity, which means thatPSOAM MGs superposed by several PSOAM waves can not only improve the signal-to-noise ratio (SNR) of system but also decrease the spatial correlation of sub-channels.

Angular diffraction

Angle and angular momentum are linked by a Fourier transformation. A restriction of the angular range within an optical beam profile therefore generates orbital angular momentum (OAM) sidebands on

Fourier relationship between the angle and angular momentum of entangled photons

We study the Fourier relationship between angle and orbital angular momentum of entangled photons. Spatial light modulators allow us to define and control the spatial mode measurement state. We

Orbital angular momentum in radioâĂŤa system study

  • IEEE Transactions on Antennas and Propagation,
  • 2010

Orbital angular momentum in radioâȂŤa system study

  • IEEE Transactions on Antennas and Propagation
  • 2010