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公开(公告)号：US20200002218A1
公开(公告)日：2020-01-02
申请号：US16465432
申请日：2018-05-19
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Ju Hyeon CHOI , Jung Whan IN , Yeon HWANG , Young Bok KIM
Abstract: The disclosed fluorophosphate glasses for an active device include: a metaphosphate composition including Al(PO3)3; a fluoride composition including BaF2 and SrF2; and a dopant composed of ErF3 and YbF3, and have thermal and mechanical properties to be able to be used as a glass base material for an active device (e.g., optical fiber laser), have a high emission cross-section characteristic, have a reinforced upconversion and downconversion emission characteristic, and have high sensitivity S in a cryogenic environment.
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