The rare earth doped fluoride glasses can be made into favorable optical fiber lasers owing to their excellent upconversion characters.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
The rare earth doped fluoride glasses can be made into favorable optical fiber lasers owing to their excellent upconversion characters.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
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