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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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光纤激光器自混合干涉微位移测量研究
Keywords: 自混合干涉,光纤激光器,微位移测量,相位调制
Abstract:
研究了光纤激光器自混合干涉效应测量微位移的方法.为提高自混合干涉的微位移传感测量精度,将正弦相位调制方法引入光纤激光器自混合干涉测量.光纤激光器外腔中使用相位调制器调制自混合干涉信号.采用四象限积分技术解调外腔相位得到位移测量结果,与高精度微位移平台位移参数对比,验证传感测量方法的可行性.位移测量精度远优于半个波长.此方法对全光纤高精度位移传感应用有重要意义.
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