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The straight light path type OCTs feature simple optical paths and high reliability, but are vulnerable to interference from the external magnetic field. In this paper, the method of Jones matrix is adopted to establish the sensing models of the straight light path type OCTs for analyzing their sensing characteristics and thus revealing the functional mechanism of the interference magnetic field....
In the article, relationship between sensing length and sensing performance has been studied. In order to realize microminiaturization of optical current transformer, sensing structure must be simplified first. Considering measure performance and material character, straight light path type optical current transformer which is made of block glass is the simplest structure. The Faraday optical rotation...
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