| 简介 |
Fluorophosphate-based glass for an active element, disclosed herein, comprises : a metaphosphate composition comprising about 20mol% to 60mol% of Mg(PO3)2; a fluoride composition comprising about 20mol% to 60mol% of BaF2 and about 0mol% to 40mol% of CaF2; and a dopant comprising a rare earth element. The fluorophosphate-based glass has the effect of prolonging the life of a carrier at an energy level in a metastable state of stimulated emission due to the phenomenon of effective energy transfer by way of the composition optimization of a doping substance (e.g., Er and Yb). |
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