OPTICAL ISOLATOR

PROBLEM TO BE SOLVED: To provide an optical isolator including a Faraday rotator having a large Faraday effect, and having high transmittance in wavelength to be used. SOLUTION: The optical isolator includes at least the Faraday rotator, a polarizer arranged on a light incident side of the Faraday r...

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Bibliographische Detailangaben
Hauptverfasser:	MAKIKAWA SHINJI, YAMANAKA AKIO, KOYAMA TOMOTAKE, TAKAHASHI TAKUYA, ODA HISAYA, WATANABE TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 FREQUENCY-CHANGING GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA METALLURGY MINERAL OR SLAG WOOL NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL REFRACTORIES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TREATMENT OF NATURAL STONE UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optical isolator including a Faraday rotator having a large Faraday effect, and having high transmittance in wavelength to be used. SOLUTION: The optical isolator includes at least the Faraday rotator, a polarizer arranged on a light incident side of the Faraday rotator and an analyzer arranged on a light emitting side of the Faraday rotator. The Faraday rotator is composed of an oxide containing ytterbium oxide (Yb2O3) by 30% or more in a mass ratio. COPYRIGHT: (C)2011,JPO&INPIT