Fluorophosphate glasses for active device
AssigneeKorea Photonics Technology Institute
InventorsJu Hyeon Choi, Jung Whan In, Yeon Hwang, Young Bok Kim
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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.
Claims5
Fluorophosphate glasses for an active device, comprising:
- a metaphosphate composition including Al(PO3)3;
- a fluoride composition including BaF2 and SrF2;
- and
- a dopant composed of ErF3 and YbF3,
- wherein the YbF3 is about 3 mol % to about 5 mol %,
- the Al(PO3)3 is about 20 mol % to about 30 mol %,
- the BaF2 is about 10 mol % to about 60 mol %, and
- the SrF2 is about 10 mol % to about 70 mol %.
Dependencies are inferred from the claim text.