YIG単結晶を用いた光応用磁界センサの検討

概要

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A new type of magnetic field sensor based on creation of the Faraday effect by rotation magnetization of YIG single crystals is described. The influences of both the Cotton-Mouton effect and cubic anisotropies on the sensor characteristics are also dicussed. The linearity error of the sensor output was very small in external magnetic fields ranging of 0.02-200 Oe. The temperature dependence of the sensor output was obtained with an accuracy of ±1% between 20 ℃ and 120℃.
社団法人日本磁気学会の論文
1999-04-15