Underwater Laguerre-Gaussian beam propagation and phase compensation method

• Autorzy: Shi Haotian , Wang Xiaoyue , Zuo Yani , Qiao Hao , Luo Limeng

Identyfikatory

DOI

10.24425/opelre.2025.153161

• Języki publikacji: EN

Abstrakty

EN

Laguerre-Gaussian (LG) beams experience phase twist after long-distance transmission, making the orbital angular momentum (OAM) indistinguishable. This phenomenon becomes more severe in water due to the higher refractive index. Based on the physical principles of LG beams, this paper derives the mathematical expression for LG beam transmission in water to address this issue. It organizes and analyses the physical significance of each term. The exponential term responsible for phase twist is separated and phase compensation is applied to the initial LG beam. Simulation results show that after transmission through water, traditional LG beams exhibit a clockwise twisted distribution of isophase lines. By applying the phase compensation method proposed in this paper, the phase of the initial LG beam is modulated and when the LG beam reaches the observation plane, the isophase lines become straight, verifying the effectiveness of the method. This compensation method holds significant value for LG beams in advanced physics research.

Słowa kluczowe

EN

Laguerre-Gaussian beam; vortex beam; underwater beam propagation; phase twist

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2025
• Tom: Vol. 33, No. 1
• Strony: art. no. e153161
• Opis fizyczny: Bibliogr. 28 poz., rys.

Twórcy

autor

Shi Haotian

• College of Metrology Measurement and Instrument, China Jiliang University, Hangzhou 310018, China
• Division of Time and Frequency Metrology, National Institute of Metrology (NIM), Beijing 100029, China

autor

Wang Xiaoyue

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

autor

Zuo Yani

• Division of Time and Frequency Metrology, National Institute of Metrology (NIM), Beijing 100029, China

autor

Qiao Hao

• Tianfu Xinglong Lake Laboratory, Chengdu 610213, China

autor

Luo Limeng

• Tianfu Xinglong Lake Laboratory, Chengdu 610213, China

Bibliografia

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Uwagi

1. Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).

2. This work was supported by the National Key R&D Program of China, National Quality Infrastructure (Grant no. 2021YFF0603800), National Natural Science Foundation of China (Grant no.1230030120), the Natural Science Foundation of Zhejiang Province (Grant no. LQ24A040005, LQ24F050006), and Cultivation Fund of Young Sci-tech Talents in CJLU (Grant no. 2023YW54, 2023YW62).