Magneto-optical element and optical magnetic field sensor using

Optical: systems and elements – Optical modulator – Having particular chemical composition or structure

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359280, 359281, 25027714, 2502311, 3242441, 252 6257, G06F 100

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056918372

ABSTRACT:
A magneto-optical element comprises a film of a Bi-substituted rare earth iron garnet selected from garnets of the following chemical formulas

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patent: 5566017 (1996-10-01), Suzuki et al.
"Fiber-Optic Monitoring Sensor System for Power Distribution Lines," by Ishiko et al., National Technical Report, vol. 38, No. 2, p. 127, Apr. 1992, with English abstract.
"Bi-Substituted Rare-Earth Iron Garnets for Fiber Optic Current Sensors" by Ihto et al., The Technical Report of the Institute of Electronics, Information and Engineers, QQE92-105, pp. 43-48, 1992, with English abstract.
"Magneto-Optical Hysteresis Loops of Multidomain Materials--Calculation for Fixed Analyszer Method" by T. Numata et al.; Journal of the Magnetic Society of Japan, vol. 14, No.4: 1990; pp., 642-647, with English abstract.
"Optical Magnetic Field Sensor Implemented by Converging Optical System" by Itoh et al., The Institute of Electrical of Japan, Information No. IM-94-93, pp. 31-40, 1994, with English abstract.
"Optical Magnetic Field Sensors with High Linearity Using Bi-Substituted Rare Earth Iron Garnets" by N. Itoh et al., IEEE Transactions of Magnetics: vol. 31, No. 6, Nov. 1995.
Journal of Applied Physics, vol. 75, No. 10, 15 May 1994, New York US, pp. 6801-6803, XP002003820.
O. Kamada et al: "Magneto-optical properities of (BiGdY) 3Fe5012 for optical magnetic field sensors".

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