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摘要
This paper describes a new design of a bulk-type faraday effect-based optical current transducer, The sensing element is a four-piece bulk optic structure which enables the polarized light to circulate around the conductor a number of times and increases the sensitivity several times, The design makes for ease of manufacturing and alignment, The number of closed-optical-paths can be changed easily by adjusting the incident point of light, The principle of the design is described and the simulation and experimental results are presented.
- 出版日期1998-2
