发明授权
US07071687B2 Photomagnetic field sensor 失效
光磁场传感器

Photomagnetic field sensor
摘要:
A photo magnetic field sensor includes a Faraday rotator made of a paramagnetic material, a polarizer, an analyzer, a light-irradiating element, and a light-sensing element. The Faraday rotator is made of a paramagnetic garnet single crystal including at least Tb and Al.
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