Two-watt mid-infrared laser emission in robust fluorozirconate fibers
OPTICS LETTERS(2022)
摘要
To the best of our knowledge, we report here the first demonstration of 2.9 mu m laser emission from in-house fabricated Ho3+/Pr3+ co-doped ZBYA glass fiber. The fiber was fabricated based on the ZBYA glass with compositions of ZrF4-BaF2-YF3-AlF3-PbF2-HoF3-PrF3. Under the pump of a 1150nm Raman fiber laser, the maximum unsaturated output power of 2.16 W was obtained in a 15 cm long gain fiber with a slope efficiency of 24/o. The influence of rare-earth doping concentration on laser performance was also investigated. The result indicates that ZBYA glass fibers have potential for using as a fluorozirconate glass gain fiber for mid-infrared fiber lasers. (C) 2022 Optica Publishing Group
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关键词
laser,two-watt,mid-infrared
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