Abstract
The Bi and Re (Re:Tb, Ho, etc.) partially substituted yttrium iron garnet bulk single crystals of (ReYbBi) 3Fe 5O 12 were grown by using Bi 2O 3/B 2O 3 as flux and accelerated crucible rotation technique for single-crystal growth. Results on the basis of temperature-changeable magneto-optical Faraday rotation spectra showed that their magneto-optical figures of merit were much higher than that of YIG in the wavelength range of 1.0–1.7 μm, while their Faraday rotation temperature coefficients were even smaller than that of YIG in the temperature range 10–80°C. According to temperature compensation effect, magneto-optical materials with temperature-stabilized Faraday rotation were achieved through compounding two kinds of rare-earth ions with opposite temperature coefficients, indicating an advantage for Faraday rotator usage in optical isolator with temperature-stable isolation.
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