Title:
PARAMAGNETIC GARNET-TYPE TRANSPARENT CERAMIC, MAGNETO-OPTICAL MATERIAL, AND MAGNETO-OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/054592
Kind Code:
A1
Abstract:
A TAG-, TYAG- or TYSAG-based paramagnetic garnet-type transparent ceramic exhibiting a high laser damage threshold, said ceramic being characterized by comprising a sintered body of a garnet-type complex oxide represented by formula (1), wherein the luminescence lifetime from the 5D4→7F5 transition of the Tb(III) ions contained in the sintered body is 346 µs or longer. Formula (1): (Tb1-x-yYxScy)3(Al1-zScz）5O12 (In the formula, 0≤x<0.45, 0≤y<0.08, 0≤z<0.16, and 0.001
Inventors:
MATSUMOTO TAKUTO (JP)
IKARI MASANORI (JP)
TANAKA KEITA (JP)
IKARI MASANORI (JP)
TANAKA KEITA (JP)
Application Number:
PCT/JP2021/031331
Publication Date:
March 17, 2022
Filing Date:
August 26, 2021
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C04B35/44; C04B35/50; C04B35/645; G02B27/28
Domestic Patent References:
| WO2018193848A1 | 2018-10-25 |
Foreign References:
| JP2019199386A | 2019-11-21 |
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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