Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masao Takahashi and Terai Kiyohisa and T. Kaminishi and H. Nakabayashi and Y. Hirata and T. Kumai and K. Uehara,Field trial of optical current transformer using optical fiber as Faraday sensor,"IEEE Power Engineering Society Summer Meeting,",,IEEE,2003-06-25,2,,920-925,https://cir.nii.ac.jp/crid/1871709542536091008,https://doi.org/10.1109/pess.2002.1043498