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20 m水下无线蓝光LED通信系统样机设计

董冰 佟首峰 张鹏 王大帅 马晨源

董冰, 佟首峰, 张鹏, 王大帅, 马晨源. 20 m水下无线蓝光LED通信系统样机设计[J]. 中国光学. doi: 10.37188/CO.2020-0191
引用本文: 董冰, 佟首峰, 张鹏, 王大帅, 马晨源. 20 m水下无线蓝光LED通信系统样机设计[J]. 中国光学. doi: 10.37188/CO.2020-0191
DONG Bing, TONG Shou-feng, ZHANG Peng, WANG Da-shuai, MA Chen-yuan. Design of a 20 m underwater wireless optical communication system based on Blue LED[J]. Chinese Optics. doi: 10.37188/CO.2020-0191
Citation: DONG Bing, TONG Shou-feng, ZHANG Peng, WANG Da-shuai, MA Chen-yuan. Design of a 20 m underwater wireless optical communication system based on Blue LED[J]. Chinese Optics. doi: 10.37188/CO.2020-0191

20 m水下无线蓝光LED通信系统样机设计

doi: 10.37188/CO.2020-0191
基金项目: 国防基础科研计划稳定支持项目(No. JCKYS2020604SSJS012);国防科技重点实验室基金项目(No. 201911XXX401)
详细信息
    作者简介:

    董 冰(1990—),女,吉林长春人,在读博士研究生,2016年于长春理工大学获得物理电子学硕士学位,现为长春理工大学光学工程专业在读博士研究生,主要从事水下无线光通信方面的研究。E-mail:279884056@qq.com

    佟首峰(1972—),男,吉林洮南人,教授,博士生导师,博士,主要从事空间激光通信,空间光学遥感,光电检测和光电跟踪等方面的研究。E-mail:tsf1998@sina.com

Design of a 20 m underwater wireless optical communication system based on Blue LED

  • 摘要: 在清澈海水中,透射窗口在蓝绿光波段,蓝光在海水中具有很好的传输特性。为了满足深海观测网络及平台间的高速率、大容量的通信需求,本文提出了一种水下无线可见光通信系统,采用470 nm LED阵列拼接结构,增大束散角,并且提出采用菲涅尔透镜作为光学天线,实现大视场接收,在20 m的水下通信距离下,成功实现了5 Mbps通信速率,误码率低至10−6的可靠通信,并完整的组装出了工程样机,为后续的水下动态激光通信系统奠定了基础。
  • 图  1  光束遇质点后的散射示意图[10]

    Figure  1.  Schematic diagram of the scattering of a light beam upon contact with a particle

    图  2  不同海水深度的太阳光渗透能力分布图

    Figure  2.  Distribution map of sunlight penetration capacity at different sea depths

    图  3  太阳光功率在不同水域中随水面下传播距离衰减曲线

    Figure  3.  The attenuation curve of solar power vs. the subsurface propagation distance in different water areas

    图  4  系统总体设计框图

    Figure  4.  System main design block diagram

    图  5  发射光端机主要结构器件

    Figure  5.  Main structural components of the emitting optical receiver

    图  6  发射光端机实物图

    Figure  6.  Physical image of the transmitter

    图  7  Fresnel透镜直径、焦距与光线入射角的关系示意图

    Figure  7.  Relationship between the Fresnel lens diameter, focus distance and angle of incidence

    图  8  接收光端机主要结构器件

    Figure  8.  Main structural components of receiver

    图  9  接收光端机实物图

    Figure  9.  Physical map of the receiver

    图  10  系统水下实验环境

    Figure  10.  The system’s underwater experimental environment

    图  11  水下距离20 m处系统通信误码率

    Figure  11.  BER of the system at 20 m underwater

    图  12  水下距离20 m处系统输出波形及通信速率

    Figure  12.  Output waveform and communication rate of the system at 20 m underwater

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  • 网络出版日期:  2021-05-08

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