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Acta Optica Sinica, Volume. 38, Issue 6, 0606004(2018)

Experimental Investigation of Underwater Propagation Characteristics of Orbital Angular Momentum

Sunxiang Pan1, Shengmei Zhao1,2、*, Le Wang1, Hao Yao1, and Wei Li1
Author Affiliations
  • 1 Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210003, China
  • 2 Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210003, China
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    Experimental schematic of an underwater communication system using OAM state

    Fig. 1. Experimental schematic of an underwater communication system using OAM state

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    Phase masks

    Fig. 2. Phase masks

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    Light spot patterns with phase mask

    Fig. 3. Light spot patterns with phase mask

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    Spread spectra of LG beam with ?=5 in different salinities. (a) s=0%; (b) s=5.22%; (c) s=9.92%; (d) s=12.80%

    Fig. 4. Spread spectra of LG beam with ?=5 in different salinities. (a) s=0%; (b) s=5.22%; (c) s=9.92%; (d) s=12.80%

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    Probability of receiving OAM states in different salinities

    Fig. 5. Probability of receiving OAM states in different salinities

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    Sunxiang Pan, Shengmei Zhao, Le Wang, Hao Yao, Wei Li. Experimental Investigation of Underwater Propagation Characteristics of Orbital Angular Momentum[J]. Acta Optica Sinica, 2018, 38(6): 0606004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Nov. 27, 2017

    Accepted: --

    Published Online: Jul. 9, 2018

    The Author Email: Zhao Shengmei (zhaosm@njupt.edu.cn)

    DOI:10.3788/AOS201838.0606004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology