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原子法拉第效应器件稳频与鉴频测速的多普勒激光雷达

, PP. 42-45

Keywords: 激光技术,激光雷达,多普勒测速,原子滤光,原子稳频

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Abstract:

利用FADOF透射频谱曲线稳定而又可调谐的特点,设计了一种测速多普勒激光雷达,一方面用其对发射激光稳频,同时用同种原子的FADOF对回波光鉴频,使发射激光频率和鉴频曲线建立了相对稳定的关系,可有利于提高测速精度。试验系统采用Cs原子FADOF,在-40~+40m/s的测速范围内,测速误差为±0.74m/s。

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