TERBIUM-CONTAINING PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, AND MAGNETO-OPTICAL DEVICES

• Main Authors: TANAKA KEITA, MATSUMOTO TAKUSHI, IKARI MASANORI
• Format: Patent
• Language: English; Japanese
• Published: 14.09.2023
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; 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; LIME, MAGNESIA; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; REFRACTORIES; SLAG; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TREATMENT OF NATURAL STONE

To provide a terbium-containing paramagnetic garnet-type transparent ceramic having low absorption at a wavelength of 1,064 nm and a temperature coefficient of refractive index that is half or less that of existing TGG crystals.SOLUTION: A sintered compact of a composite oxide comprises terbium, ytt...