MAGNETIC GARNET SINGLE CRYSTAL AND FARADAY ROTATOR USING IT

PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal in which crystal defects do not occur and a Faraday rotator improved in extinction ratio. SOLUTION: The magnetic garnet single crystal is grown by a liquid phase epitaxial growing method and has a general formula denoted as BiaPbbA3-a...

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Bibliographische Detailangaben
Hauptverfasser:	OIDO ATSUSHI, YAMAZAWA KAZUTO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY CRYSTAL GROWTH DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRICITY FREQUENCY-CHANGING INDUCTANCES MAGNETS METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSFORMERS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal in which crystal defects do not occur and a Faraday rotator improved in extinction ratio. SOLUTION: The magnetic garnet single crystal is grown by a liquid phase epitaxial growing method and has a general formula denoted as BiaPbbA3-a-bFe5-c-dBcPtdO12(wherein A is at least an element selected from among Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; B is at least an element selected from among Ga, Al, Sc, Ge and Si; 0