Magneto-optical bismuth-substituted bubble garnet films for magnetic field sensors

Vladimir V. Randoshkin

doi:10.1117/12.21642

1 October 1990 Magneto-optical bismuth-substituted bubble garnet films for magnetic field sensors

Vladimir V. Randoshkin

Proceedings Volume 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors; (1990) https://doi.org/10.1117/12.21642
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

In the present paper it is shown that the magneto-optical (MO) bismuth-substituted bubble garnet films are attractive for Paraday magnetic field (current) sensors with the rise time about 10 ns. This problem can be solved if the sensors are based on the films with domain wall velocity up to 1000 rn/s and. domain wall mobility about 10 rn/Cs Oe) or more. Using high-speed photography method the two kinds of materials with the high dynamical parameters were studied: 1) (111)-oriented (Tm,Gd,BiL(Pe,Ga)O10 films with high gy- romagnetic ratio ; 2) (21O)-oriente (Y, Lu,r,i) 3(Pe, Ga) 512 films with orthorhombic anisotropy.

Citation Download Citation

Vladimir V. Randoshkin "Magneto-optical bismuth-substituted bubble garnet films for magnetic field sensors", Proc. SPIE 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors, (1 October 1990); https://doi.org/10.1117/12.21642

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