PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, MAGNETO-OPTICAL DEVICE, AND PRODUCTION METHOD FOR PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Aug 26, 2021
filing date -
Aug 26, 2021
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Abstract
A paramagnetic garnet-type transparent ceramic that exhibits a high laser damage threshold, said ceramic being a sintered body of a Tb-containing rare earth-aluminum garnet represented by formula (1), and being characterized in that the average sintered grain size is 10-40 μm, and the insertion loss at a wavelength of 1,064 nm in the optically effective region along the length direction of a 20 mm-long sample is 0.05 dB or less.
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