High frequency response of optical magnetic field sensors using rare-Earth iron garnet films

N. Itoh

doi:10.1117/12.2302077

1 September 1999 High frequency response of optical magnetic field sensors using rare-Earth iron garnet films

N. Itoh

Proceedings Volume 3746, 13th International Conference on Optical Fiber Sensors; 37462F (1999) https://doi.org/10.1117/12.2302077
Event: 13th International Conference on Optical Fiber Sensors, 1999, Kyongju, Korea, Republic of

Abstract

We have measured the high frequency response of optical magnetic field sensors using bismuth-substituted rare-earth iron garnet films up to 1 GHz. A resonance peak was observed in the frequency response spectrum, but flat response to 230 MHz was observed. The cause of the resonance phenomenon can be understood from domain wall resonance.

Citation Download Citation

N. Itoh "High frequency response of optical magnetic field sensors using rare-Earth iron garnet films", Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 37462F (1 September 1999); https://doi.org/10.1117/12.2302077

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