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Imperfection errors in glass block faraday effect current sensor |
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| Authors: | Toshihiko Yoshino Yoshitaka Takahashi Mikihiko Gojyuki |
| Affiliation: | (1) Department of Electronic Engineering, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, 376 Kiryu, Gunma, Japan;(2) Present address: Benkan Corp., Yabutsuka Honmachi, Nitta-gun, 379-23 Gunma, Japan |
| Abstract: | Theoretical analysis of measurement errors caused by the imperfection of the sensing optical loop in a glass block Faraday effect current sensor has been presented. The experimental results with the fabricated sensor which was designed to achieve a closed homogeneous and isotropic optical path show the importance of the perfectly isotropic and closed loop, in accordance with the theoretical consideration. |
| Keywords: | Faraday effect Ampere’ s law optical sensing current sensor thin film dielectric coating |
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