Research on the propagation of partially coherent cosh-Gaussian beams through an ABCD optical system in non-Kolmogorov turbulence by effective tensor approach

• Autorzy: Ma Hongjie , Li Jinsong , Chen Yueyang

Identyfikatory

DOI

10.37190/oa210112

• Języki publikacji: EN

Abstrakty

EN

An efficient tensor approach is used to study the propagation of partially coherent cosh-Gaussian beams through an ABCD optical system in non-Kolmogorov turbulence. Analytical expressions for the average intensity of the beam propagation are derived. The properties of the average intensity are investigated with a numerical example. One finds that the propagation of the beam with larger spatial coherence length is less affected by distance when the propagation distance is long enough, and as the Ch-parameter increases, the beam propagation is less effected by turbulent atmosphere. It is also found that the average intensity distribution of the cosh-Gaussian beams with larger spatial correlation length is more affected by the structure constant of turbulence (i.e., turbulence level). By choosing a suitable Ch-parameter and spatial coherence length, the partially coherent cosh-Gaussian beams can be better transmitted in non-Kolmogorov turbulence. Our results will be useful in free-space communication.

Słowa kluczowe

EN

partially coherent; cosh-Gaussian beam; ABCD optical system; non-Kolmogorov turbulence

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2021
• Tom: Vol. 51, nr 1
• Strony: 147--158
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Ma Hongjie

• College of Optical and Electronic Technology China Jiliang University, Hangzhou 310018, China

autor

Li Jinsong

• College of Optical and Electronic Technology China Jiliang University, Hangzhou 310018, China

autor

Chen Yueyang

• College of Optical and Electronic Technology China Jiliang University, Hangzhou 310018, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).