发明授权
- 专利标题： Faraday-effect sensing coil with stable birefringence
- 专利标题（中）： 法拉第效应传感线圈具有稳定的双折射
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申请号： US205899申请日： 1994-03-03
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公开(公告)号： US5463312A公开(公告)日： 1995-10-31
- 发明人: Dale R. Lutz , Trevor W. MacDougall , William L. Taylor , Wayne F. Varner , Robert A. Wandmacher
- 申请人： Dale R. Lutz , Trevor W. MacDougall , William L. Taylor , Wayne F. Varner , Robert A. Wandmacher
- 申请人地址： MN St. Paul
- 专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人地址： MN St. Paul
- 主分类号： G01R15/24
- IPC分类号： G01R15/24 ; G01R33/032 ; G02B6/02 ; G01R1/04
摘要：
A fiber optic, Faraday-effect sensing coil has very low linear and circular birefringence, which remains stable over a wide range of temperatures. The coil is fabricated from a spun fiber having an effective linear beat length of 100 meters or more, and is annealed after being formed into the coil. The coil has improved discrimination for magnetic fields associated with electric current-carrying cables, and may be incorporated into an optical current transducer (OCT), either interferometric or polarimetric.
公开/授权文献
- US4886222A Atmospheric autorotating imaging device 公开/授权日：1989-12-12
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