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BISMUTH-SUBSTITUTED RARE EARTH IRON GARNET CRYSTAL FILM AND OPTICAL ISOLATOR

2025-06-19 18:461650下载
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[Problem] To provide : a bismuth-substituted rare earth iron garnet crystal film (RIG) capable of being produced with an insertion loss of less than 0.60 dB and a high yield; and an optical isolator. [Solution] A bismuth-substituted rare earth iron garnet crystal film grown on top of a non-magnetic garnet substrate indicated by chemical formula Gd3(ScGa)5O12 by liquid-phase epitaxial growth. Said crystal film is indicated by chemical formula La3-x-yGdxBiyFe5O12 (wherein 0
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