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1. 发明申请

US20020145414A1 Magneto-optic current sensor 失效
标题翻译：磁光电流传感器
公开(公告)号：US20020145414A1
公开(公告)日：2002-10-10
申请号：US09790961
申请日：2001-02-22
申请人： Argonne National Laboratory
发明人： Michael T. Lanagan , Vitalii K. Valsko-Vlasov , Brandon L. Fisher , Ulrich Welp
IPC分类号： G01R019/00 , G01R031/00
CPC分类号： G01R15/246
摘要： An optical current transducer configured to sense current in the conductor is disclosed. The optical current transducer includes a light source and a polarizer that generates linearly polarized light received from a the light source. The light is communicated to a magneto-optic garnet that includes, among other elements, bismuth, iron and oxygen and is coupled to the conductor. The magneto-optic garnet is configured to rotate the polarization of the linearly polarized light received from the polarizer. The optical current transducer also includes an analyzer in optical communication with the magneto-optic garnet. The analyzer detects the rotation of the linearly polarized light caused by the magneto-optic garnet.
摘要翻译：公开了一种配置成感测导体中的电流的光学电流传感器。光电流换能器包括产生从光源接收的线性偏振光的光源和偏振器。光被传送到磁光石榴石，其包括铋，铁和氧等元素，并且连接到导体。磁光石榴石被配置为旋转从偏振器接收的线性偏振光的偏振。光学电流传感器还包括与磁光石榴石光学通信的分析仪。分析仪检测由磁光石榴石引起的线性偏振光的旋转。

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