Titlebook: Generation, Transmission, Detection, and Application of Vortex Beams; Xizheng Ke Book 2023 Science Press 2023 Wireless Optical Communicati

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https://doi.org/10.1007/978-3-031-17237-3In this chapter, the propagation characteristics of a partially coherent vortex beam spreading in non-Kolmogorov turbulence are studied. The form of the beam array is derived from four-petal Gaussian (FPG) beams.

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Vortex-Beam Spatial-Generation Method,Vortex beams have infinite dimensions, in theory. The topological charge can be taken from negative infinity to positive infinity, and as an integer or fraction.

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Transmission Characteristics of Vortex Beams,This chapter introduces the horizontal and slant propagation theory of Laguerre–Gaussian (LG) and Bessel–Gaussian (BG) beams in atmospheric turbulence, and analyzes their orbital angular momentum (OAM) variation characteristics.

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Crosstalk Analysis of an OAM-Multiplexing System Under Atmospheric Turbulence,Orbital angular momentum (OAM)-multiplexing communication has the advantages of a large channel capacity and a high transmission rate, compared to multiplexing communication technologies such as time-division and code-division.