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High performance four-element DFB fiber laser hydrophone array system

机译：高性能四元件DFB光纤激光水听器阵列系统

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摘要

A high performance four-element DFB fiber laser hydrophone array system has been developed and tested. The system has the advantages of low noise floor (<10~(-6)pm/(Hz)~(1/2) @ 1 kHz) and wide bandwidth. Acoustic pressure sensitivity of DFB fiber laser hydrophone is 115±3dB re. Hz/Pa. Unbalanced Michelson interferometer and digital phase-generated carrier (PGC) demodulation are adopted to realize high resolution fiber laser wavelength shift demodulation. Four-element DFB fiber laser hydrophone array system performance is tested and its noise equivalent pressure (NEP) is below sea state zero (SSO). The theory analysis, design, development and test of the system are demonstrated in detail.
机译：高性能四元件DFB光纤激光水听器阵列系统已经开发和测试。该系统具有低本底噪声（<10〜（-6）pm /（Hz）〜（1/2）@ 1 kHz）和宽带宽的优点。 DFB光纤激光水听器的声压灵敏度为115±3dB re。赫兹/帕采用不平衡迈克尔逊干涉仪和数字相位产生载波（PGC）解调来实现高分辨率光纤激光器波长偏移解调。测试了四元素DFB光纤激光水听器阵列系统的性能，其噪声当量压力（NEP）低于海零状态（SSO）。详细说明了系统的理论分析，设计，开发和测试。

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  • 来源
    《Advanced sensor systems and applications V》|2012年|856107.1-856107.8|共8页
  • 会议地点 Beijing(CN)
  • 作者

    Zhihui Sun; Li Min; Xiaolei Zhang; Jiasheng Ni; Haifeng Qi; Yingying Wang; Chang Wang; Jun Chang; Gangding Peng;

  • 作者单位

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    Shandong Province Key Laboratory of Optical Fiber Sensing Technology, Laser Institute of Shandong Academy of Sciences, Jinan, 250014, China;

    School of Information Science and Engineering, Shandong University, Jinan, 250100, China;

    Photonics Optical Communications Group, School of Electrical Engineering Telecommunications, The University of New South Wales, Sydney 2052, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    DFB fiber laser; Fiber laser hydrophone array; Interferometry; Phase generated carrier (PGC); Acoustic sensitivity;

    机译：DFB光纤激光器；光纤激光水听器阵列；干涉仪相位产生载波（PGC）；声音灵敏度;

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