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PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, MAGNETO-OPTICAL MATERIAL, AND MAGNETO-OPTICAL DEVICE
The paramagnetic garnet-type transparent ceramic a sintered object of a composite oxide represented by formula (1), (Tb1−x−yYxScy)3(Al1−zScz)5O12 (0.05≤x<0.4, 0≤y<0.004, 0.6≤1−x−y<0.95, 0≤z<0.004, and 0.001<0.005), which contains SiO2 as a sintering aid in an amount larger than 0 mass % but not larger than 0.1 mass %, and having an average sinter-grain diameter of 5 μm or larger. The transparent ceramic has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,064 nm and has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,300 nm. In the formula (1).
PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, MAGNETO-OPTICAL MATERIAL, AND MAGNETO-OPTICAL DEVICE
The paramagnetic garnet-type transparent ceramic a sintered object of a composite oxide represented by formula (1), (Tb1−x−yYxScy)3(Al1−zScz)5O12 (0.05≤x<0.4, 0≤y<0.004, 0.6≤1−x−y<0.95, 0≤z<0.004, and 0.001<0.005), which contains SiO2 as a sintering aid in an amount larger than 0 mass % but not larger than 0.1 mass %, and having an average sinter-grain diameter of 5 μm or larger. The transparent ceramic has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,064 nm and has a total light transmittance of 84.0% or greater and a forward scatter of 0.5% or less at an optical path length of 25 mm and a wavelength of 1,300 nm. In the formula (1).
PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, MAGNETO-OPTICAL MATERIAL, AND MAGNETO-OPTICAL DEVICE
IKARI MASANORI (Autor:in) / MATSUMOTO TAKUTO (Autor:in) / TANAKA KEITA (Autor:in)
26.12.2024
Patent
Elektronische Ressource
Englisch
IPC:
G02F
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,...
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Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von...
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C04B
Kalk
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LIME
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